Carbon cycles through the biosphere in all of the following processes EXCEPT
a. photosynthesis
b. transpiration
c. burning of fossil fuels
d. decomposition of plants and animals
Answers
Answer:
B
Explanation:
because Transpiration is an important part of the water cycle.
Related Questions
leaves with large surface areas contain more chloroplasts and can conduct more photosynthesis how is this an adaptation for plants with large leaves?
Answers
The large surface area of leaves allows absorption of a large amount of light. In addition, palisade cells present on the upper surface of the leaf, where the light falls, are adapted for light absorption.
What are the functions of palisade cells?Palisade cells are plant cells located on the leaves, right below the epidermis and cuticle that is the outermost layer of the leaf. In simpler terms, they are known as leaf cells.
The palisade mesophyll layer is where most of the photosynthesis occurs in the leaf. The palisade cells contain a lot of chloroplasts to help them perform this photosynthesis. The palisade cells are closely packed together to maximize light absorption.
The palisade parenchyma tissue usually is located on the upper side of the leaf, and the spongy parenchyma on the lower side. There may be only a single layer of palisade cells perpendicularly arranged below the upper epidermis, or there may be as many as three layers.
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if you drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water. what process is happening here?
Answers
The process is happening when we drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane is osmosis.
Osmosis is the spontаneous net movement or diffusion of solvent molecules through а selectively permeаble membrаne, in the direction thаt tends to bаlаnce the solute concentrаtions on the two sides, from а region of high wаter potentiаl (region of lower solute concentrаtion) to а region of low wаter potentiаl (region of higher solute concentrаtion).
In the case above, a human cell isа region of high wаter potentiаl and pure water is а region of low wаter potentiаl. It makes water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water.
Your question is incomplete, but most probably your full options were
a. metabolism
b. diffusion
c. osmosis
d. cellular respiration
Thus, the correct option is D.
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"If global warming sometimes seems like a distant or abstract threat, new research casts the phenomenon in stark, life-or-death terms. It predicts that in the absence of significant progress in efforts to curb emissions of temperature-raising greenhouse gases, extreme heat waves could claim thousands of lives in major U.S. cities. If the global average temperature rises 3 degrees Celsius (5.4 degrees Fahrenheit) above preindustrial levels — which some scientists say is likely if nations honor only their current commitments for curbing emissions — a major heat wave could kill almost 6,000 people in New York City. Similar events could kill more than 2,500 in Los Angeles and more than 2,300 in Miami. But the new research also indicates that if the U.S. and other nations take aggressive steps to limit warming, many of those deaths from extreme heat might be avoided. "There is, actually, still hope, and a very small window of opportunity" to keep global warming below international targets and prevent some heat-related deaths, said Eunice Lo, a climate scientist at the University of Bristol in the United Kingdom." This article was published in 2019. Have things improved since then? This past summer, nearly 100 people died from heat-related issues in Vancouver B.C. and many others is Los Angeles and Florida. Comment on what action governments need to take to deal with this global emergency that impacts Canada as well.
Answers
The phenomenon of global warming has been casting a stark life or death shadow over many major U.S. cities. The increase in temperature due to the emission of greenhouse gases may cause an extreme heat wave that could claim thousands of lives in these cities.
Even if nations honor only their current commitments for curbing emissions, the global average temperature is expected to rise by 3 degrees Celsius, which some scientists say is likely.
A major heat wave in New York City could claim up to 6,000 lives, while similar events in Los Angeles and Miami could kill over 2,500 and 2,300 people, respectively, according to the new research.
However, if the U.S. and other nations take aggressive measures to limit warming, many heat-related fatalities could be prevented.
The article was published in 2019, but there is little evidence to suggest that the situation has improved significantly. Heat-related issues have claimed several lives in Vancouver, B.C. and many others in Los Angeles and Florida this past summer.
Governments should take several steps to deal with this global emergency that impacts Canada, including the following:
Take action to reduce greenhouse gas emissions: Governments must commit to reducing greenhouse gas emissions to reduce the impact of global warming. Carbon taxes, cap-and-trade systems, and other measures can be used to discourage the use of fossil fuels in favor of cleaner, more sustainable energy sources, such as solar and wind power.Adaptation measures: Governments must also take steps to prepare for the effects of global warming that are already occurring or are expected to occur in the future. This includes developing heatwave response plans, implementing urban heat island mitigation measures, and providing cooling centers for people at risk of heat-related illness or death.Public education: Governments should educate the public about the risks of heat-related illness and how to avoid it. Information about the best ways to stay cool, hydrated, and safe during a heat wave should be widely distributed, particularly to vulnerable populations, such as the elderly, children, and those with chronic health conditions.Learn more about global warming at
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Some individuals in a particular species of butterfly display coloration that mimics that of a different, poisonous butterfly species living in the same habitat. Place the elements in order to model what may happen to the first butterfly species if the poisonous butterfly species is removed from the habitat. a. Predators will eat butterflies with mimicking coloration more often than before. b. The proportion of individuals in the population with mimicking coloration will decrease. c. The pressure on predators to avoid eating poisonous butterflies will decrease. d. The survival advantage for mimicking butterflies will decrease.
Answers
which of these three human chromosomal abnormalities--down, patau, or edwards syndrome--has the longest average survival time? why is that the case?
Answers
Answer:Down syndrome, because trisomy 21 involves the smallest chromosome of the three.
Explanation:
Communication within a neuron is driven by _____________ messages; communication between two neurons is driven by ____________ messages.
Answers
Communication within a neuron is driven by electrical messages. The electrical message, or the action potential, travels down the neuron's axon and is converted into a chemical message when it reaches the neuron's end.
This chemical message, or the neurotransmitter, is then released into the synapse to transmit the signal to the next neuron. Thus, communication within a neuron is driven by electrical messages and chemical messages. Communication between two neurons is driven by chemical messages. When the electrical message, or the action potential, reaches the end of the neuron, it triggers the release of neurotransmitters into the synapse.
These neurotransmitters then bind to the receptors on the next neuron, causing an electrical signal to be generated in the second neuron. This electrical signal then propagates down the axon of the second neuron and triggers the release of neurotransmitters at the end of that neuron. Thus, communication between two neurons is driven by chemical messages.
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Gastropods (snails) have a single, whorled shell. If the apex (tip) is pointing up and the opening is to the left, this is known as a condition. (1 pt) a. axial b. dextral c. vertical d. Sinistral 37. What is meant by "regular" when discussing echinoids? (1 pt) a. preferred direction of travel b. the normal condition c. no preferred direction of travel d. a slight bi-lateral symmetry 38. Oysters are bivalves, like clams, but differ from them in all the following ways except what? (1 pt) a. asymmetrical, different size shells b. sessile lifestyle (they do not move) c. have calcite shells d. have two shells 39. What do we suspect is the ultimate cause of the mass extinction at the end of the Cretaceous period? (1 pt) 9. climate change - volcanism meteorite impact - plate tectonics
Answers
Gastropods (snails) have a single, whorled shell. If the apex (tip) is pointing up and the opening is to the left, this is known as a sinistral condition. In discussing echinoids, "regular" means there is no preferred direction of travel. Oysters are bivalves, like clams, but differ from them in having asymmetrical, different size shells and having calcite shells.
The ultimate cause of the mass extinction at the end of the Cretaceous period is suspected to be a meteorite impact. The condition in which Gastropods (snails) have a single, whorled shell with the apex pointing up and the opening to the left is known as a sinistral condition.
Echinoids are regular when there is no preferred direction of travel. They have a spherical or disk-shaped internal skeleton known as a test and spines that are mobile. Their test is made up of numerous plates, which in turn are covered in tubercles and pincers. Oysters differ from clams in having asymmetrical, different size shells and having calcite shells.
They are sessile animals that do not move around the seafloor but rather attach themselves to rocks or other hard surfaces. A meteorite impact is suspected to be the ultimate cause of the mass extinction at the end of the Cretaceous period. The impact produced shock waves that generated tsunamis, earthquakes, and firestorms. The ejected dust and debris from the impact site resulted in global darkness and cooling of the Earth's atmosphere.
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You and your classmates decide to plant 24 daisy seeds in an empty field. Ten years later, you pass by the field again. It is now filled with thousands of the daises! In 3-5 sentences, explain how the daisies ended up filling the field.
Answers
As the years passed, the number of daisy plants increased exponentially, leading to the field being filled with thousands of daisies.
The daisy plants grew and reproduced over the years, creating new daisy plants from the original 24 seeds. Daisies are known to spread rapidly, and each plant can produce many seeds that can grow into new plants.
The growth and spread of the daisy plants were likely aided by favorable environmental conditions, such as ample sunlight and nutrients in the soil. Daisy plants can reproduce both sexually and asexually. Sexual reproduction involves the formation of seeds that can grow into new plants. Asexual reproduction involves the growth of new plants from existing parts of a plant, such as stems or roots. Daisy plants can also spread through rhizomes, which are underground stems that grow horizontally and produce new plants.
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predict what the results would be if mrna were radioactively labeled instead of polypeptides. give reasoning to support your prediction.
Answers
If mRNA were radioactively labeled instead of polypeptides, the radioactivity would be detected in the cytoplasm, indicating the location of mRNA synthesis, transportation, and localization within the cell.
If mRNA were radioactively labeled instead of polypeptides, the results would show that the radioactive label is primarily located in the cytoplasm of the cell, specifically in the ribosomes, which are the site of protein synthesis. This is because the mRNA molecule serves as the template for the synthesis of the polypeptide chain.
As the ribosome reads the mRNA, it translates the genetic code into an amino acid sequence, resulting in the production of a polypeptide chain. Therefore, radioactively labeled mRNA would reveal the location of active protein synthesis in the cell.
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Chronic, throbbing, and long-lasting pain is transmitted by: A) A-delta fibers. B) C fibers. C) proprioceptors in the skin and joints. D) both C fibers and A-delta fibers.
Answers
Chronic, throbbing, and long-lasting pain is primarily transmitted by (B) C fibers.
C fibers are a type of unmyelinated nerve fibers that have a slower conduction velocity compared to A-delta fibers, which are responsible for transmitting acute and sharp pain. C fibers are associated with dull, aching, and persistent pain sensations.
While A-delta fibers are involved in acute pain perception, they are not primarily responsible for transmitting chronic and long-lasting pain. Proprioceptors in the skin and joints, which are sensory receptors involved in providing information about body position and movement, are not directly involved in transmitting pain signals.
Therefore, the correct answer is B) C fibers.
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2. During strenuous exercise that causes a lot of sweating, which receptors send information to the brain to stabilize body temperature?
proprioceptors
mechanoreceptors
nociceptors
thermoreceptors
Answers
Answer: Thermoreceptors
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What are the outputs of matter during the process of gas exchange?
Answers
Answer:
Gas exchange occurs at two sites in the body: in the lungs, where oxygen is picked up and carbon dioxide is released at the respiratory membrane, and at the tissues, where oxygen is released and carbon dioxide is picked up.
Explanation:
Use the list of words and place them under the correct category (DNA, RNA, or Both)
Deoxyribonucleic Acid, Double Helix, Uracil, Double Stranded, Deoxyribose Sugar, Thymine, Pyrimidines, Copy the Instructions and Make Proteins, Ribose Sugar, Instructions for making proteins, Located in Nucleus of Eukaryotes, Cytoplasm, Ribosomes, Nucleic Acid, 3 Types, Adenine, Nucleotide is the monomer, 5-Carbon Sugar, Phosphate Group, Guanine, Cytosine, Single Strand, Genetic Information, Ribonucleic Acid
Dna
Rna
Both
Answers
Answer:
DNA: Deoxyribonucleic Acid, Double Helix, Double Stranded, Deoxyribose Sugar, Thymine, Instructions for making proteins, Located in Nucleus of Eukaryotes, Genetic Information,
RNA: Uracil, Copy the Instructions and Make Proteins, Cytoplasm, Ribosomes, Single Strand, Ribonucleic Acid, Ribose Sugar
Both: Nucleic Acid, 3 Types, Nucleotide is the monomer, 5-Carbon Sugar, Phosphate Group, Pyrimidines, Adenine, Guanine, Cytosine,
Explanation:
DNA or deoxyribonucleic acid, and RNA ribonucleic acid are made up of nucleotides, molecules that are essential to life- DNA stores genetic information, while RNA is important for facilitating the translation of DNA's information to proteins.
Nucleotides are monomers composed of DNA, a nucleic acid that serves as a storage molecule to encode proteins, along with RNA, a ribose sugar-containing nucleotide. In nucleotides, 5-carbon deoxyribose or ribose sugar, phosphate and one of four bases of nitrogen are found:
Adenine (A)
Guanine (G)
Cytosine (C)
Thymine (T).
Uracil (U) found in RNA
g in an in vitro polymerization reaction of f-actin from its g-actin subunits, there is a lag phase (rate-limiting stage). what happens during this lag phase? a: f-actin is nucleated b: f-actin reaches a steady state c: f-actin exchanges nucleotides d: f-actin hydrolyzes atp e: f-actin undergoes treadmilling
Answers
There is a lag phase in the in vitro polymerization of F-actin from its G-actin subunits. F-actin nucleates during this lag phase.
G-actin or globular actin is the globular and monomer form of actin that forms the actin filament. F-actin or fibrous actin is the fibrous actin and a linear polymer that forms the contractile apparatus and cytoskeleton apparatus of the muscle cells.
Actin nucleation is the first stage in the development of an actin filament. Polarized filaments, or F-actin, are created by the assembly of actin monomers, or G-actin. This filament will have a pointed end that grows more slowly and a barbed end that grows quickly. Therefore, at this stage, a complex of three actin monomers, or an actin nucleus, is formed, from which an actin filament extends. Therefore, the time needed by the actin for nucleation is the lag phase. Here, option a is the correct statement.
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Which statement best describes antigenic variation of a parasite?
a) Parasites can change their antigens or create novel antigens.
b) Parasites do not have any surface antigens.
c) Parasites are ingested by macrophages, and antigens are denatured.
d) Parasites have similar host antigens.
Answers
The statement that best describes antigenic variation of a parasite is: a) Parasites can change their antigens or create novel antigens.
Antigenic variation refers to the ability of parasites to change their antigens or create new ones. This process is essential for the survival and evasion of the immune system by the parasite. By altering their antigens, parasites can avoid detection and clearance by the host's immune response.
Parasites have evolved sophisticated mechanisms to undergo antigenic variation. They can modify the surface proteins or switch between different antigenic variants. This variation can occur through genetic recombination, gene duplication, or mutation, allowing the parasite to constantly present a different antigenic profile to the immune system.
The ability of parasites to change their antigens or generate novel antigens poses a significant challenge in the development of effective vaccines and treatments. Since the antigens expressed by the parasite can change over time, the immune system may struggle to mount a targeted and long-lasting immune response.
Understanding antigenic variation is crucial in the study of parasitic infections and the development of strategies to control and treat them. By targeting conserved antigens or finding ways to disrupt the antigenic variation mechanisms, researchers aim to develop interventions that can effectively combat parasitic diseases.
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the glomerulus is a unique high-pressure capillary bed because the
Answers
The glomerulus is a unique high-pressure capillary bed in the kidneys. This filtration bed is considered high pressure due to the type of vessels feeding and draining it. The afferent arteriole feeding the glomerulus is larger in diameter than the efferent arteriole draining the bed.
This anatomical characteristic makes the blood entering the bed to be under high pressure and leaves the bed under lower pressure. This pressure differential between the two arterioles forces fluids and solutes through the walls of the capillaries and into the urinary tubules for further filtration. Therefore, the larger diameter of the afferent arteriole provides a higher volume of blood under higher pressure to the glomerulus, increasing the efficiency of the filtration. The smaller diameter of the efferent arteriole slows the blood flow, increasing the pressure inside the capillaries and maintaining the high pressure in the bed. This anatomical feature provides a unique and efficient filtration mechanism to the kidneys.
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complete question: The glomerulus is a unique high-pressure capillary bed, because the ______ arteriole feeding it is larger in diameter than the ______ arteriole draining the bed.
Question 4 of 10
What percentage of the air is found in the bottom two layers of the Earth's
atmosphere?
A. 1%
B. 29%
C. 99%
D. 49%
SUBMIT
Need ASAP
Answers
Answer: 99%
Explanation:
The troposphere itself contains 99% of air.
A 0.25 m2 quadrat was placed in a 50 m2 field. 22 daisy plants were counted under the quadrat. What is the estimated number of daisies in the field?
Answers
If we assume that the distribution of daisy plants in the field is uniform, we can use the following formula to estimate the total number of daisies in the field:
Total number of daisies in the field =
(Number of daisies in the quadrat / Area of the quadrat) x Area of the field
Plugging in the given values, we get:
Total number of daisies in the field = (22 / 0.25) x 50
Total number of daisies in the field = 8.8 x 50
Total number of daisies in the field = 440
Therefore, the estimated number of daisies in the field is 440.
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1
1 point
A genetic mutation causes a snake to have brown skin. After many generations, most of the
snake population has the brown skin mutation.
e
Which of the following most likely caused this change?
Snakes with the brown skin mutation are able to survive and reproduce more
successfully than snakes without it.
The same mutation occurred in other snakes in response to environmental conditions.
All the snakes in the area were infected with the mutation.
The other snakes changed their colors to mimic the brown snake.
2
1 point
Lo
Answers
Answer:
I think the answer is B. "The same mutation occurred in other snakes in response to enviromental conditions.
Explanation
Answer:
Snakes with the brown skin mutation are able to survive and reproduce more
successfully than snakes without it.
Explanation:
i already aswered this question correctly .
Which trait is found in early embryos of both birds and humans, but then disappears from each during development?
A. soft shell
B. scales
C. tail
D. gill slits
Answers
Answer:
D
Explanation:
plz answer my question
Since any single diploid organism only has two alleles per gene in their nuclear genetic material, the gene pool for a population of that organism can only have two alleles occurring in it.
Answers
Since diploid organisms always have two copies of each gene. If an organism has two copies of each chromosome and two copies of each gene, it is said to be diploid.
Why do genes have two alleles?Diploid organisms contain two copies of each gene because they have two copies of each chromosome. Since there are several alleles of each gene, an organism may have two of the same allele or two different alleles of the same gene.
What is the term for having two alleles?The person is homozygous for the allele if the two alleles are the same. The person is heterozygous if the alleles are distinct from one another.
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Which best describes when the body is working on counteracting an effect?
when hormone levels in the body are all equal
during a negative feedback loop
during a positive feedback loop
when the hypothalamus is signaling the pituitary gland
Answers
Answer: the answer is B or during the negative feedback loop.
Explanation: the body is trying to counteract the negative feed back.
During a negative feedback loop, the body is working on counteracting an effect. thus, option B is correct.
What are the differences between negative and positive feedback loops?Positive feedback loops amplify or exacerbate changes, moving a system farther from equilibrium and making it more unstable. Negative feedbacks tend to dampen or buffer changes; this tends to hold a system to some equilibrium state making it more stable.
A self-regulating system is a negative feedback loop, often known as an inhibitory loop. Increased output from the system restricts future production in a negative feedback loop. When the quantities of particular proteins or hormones in the body get too high, the body reduces their production.
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what type of mutation is huntington disease
Answers
HD is caused by a mutation in the gene for a protein called huntingtin. The defect causes the building blocks of DNA called cytosine, adenine, and guanine (CAG) to repeat many more times than they normally do. Most people have fewer than 27 CAG repeats in their HD gene, so they are not at risk for the disease
16. Describe the process of dune formation and colonization by plants: Name some of the plant species we would expect to see from those closest to the beaches & as we moved through the dunes on a barrier island on the Georgia Coast, and indicate where they would be found (which of the portion of the successional stages? You need at least 3 different portions of the dune community/stages of dune formation and 1-2 plants per area/subcommunity) What type of succession is this?
Answers
Dunes form from sediment deposition on the beach in response to wind and ocean currents. When sand grains are transported by the wind, they settle on the leeward slope and accumulate over time to form dunes. Dunes start as embryonic foredunes and develop into mature and stabilized sand dunes as a result of plant colonization.
The formation of dunes is a result of a process called dune building. Sand dunes on barrier islands are formed in successive stages. The first stage is the embryonic stage where the sand dunes begin to form. The second stage is the foredune stage where sand dunes form close to the beach. The third stage is the backdune stage where sand dunes are farther from the beach and the vegetation has grown more.
The last stage is the climax stage where the sand dunes have reached their final height and the vegetation is at its fullest. There are various plant species that can be seen as one moves through the dunes on a barrier island on the Georgia Coast. These include: Beach morning glory (Ipomoea pes-caprae) on the foredune in the embryonic stageSea oats (Uniola paniculata) and sea rocket (Cakile edentula) on the foredune in the foredune stageSouthern live oak (Quercus virginiana), yaupon holly (Ilex vomitoria), and American beachgrass (Ammophila breviligulata) in the backdune in the backdune stage Saltmeadow cordgrass (Spartina patens) and marsh elder (Iva frutescens) in the climax dunes in the climax stage.
This type of succession is known as primary succession, which is the development of plant communities in areas that have not previously supported life.
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9Which of the following definitions describes a mutualistic relationship between two organisms?
A)Two species interacting with each other with one species benefiting and the other unaffected
B)Two species interacting while one species benefits, and the host species is harmed
C)Two species interacting with each other that benefits both species.
D) All the above
Answers
Answer:
C
Explanation:
Mutual means cordial relationship
The thylakoid membrane contains a protein called atp synthase. As hydrogen ions pass through the protein, adp and a phosphate group are combined to form atp. What is the direct energy source, if any, for the movement of hydrogen ions and the formation of atp? a. The energy source is the high-energy electrons that accompany the hydrogen ions. B. The energy source is the concentration difference of hydrogen ions across the membrane. C. The energy source is a set of atp molecules that gather inside the thylakoid. D. There is no energy source; the process occurs without an energy input.
Answers
The energy source is the concentration difference of hydrogen ions across the membrane.
The photochemical and electron transport reactions of oxygenic photosynthesis occur at the thylakoid membrane. The lipid composition of the thylakoid membrane is highly conserved among oxygenic photosynthetic organisms, with two galactolipids, one sulfolipid, and one phospholipid.
The primary functions of thylakoids are to trap light energy and convert it into chemical energy forms such as ATP and NADPH. Water is oxidized and oxygen is released during this process. Inside chloroplasts and cyanobacteria, thylakoids are membrane-bound compartments. They are the site of photosynthesis's light-dependent reactions. Both stages of photosynthesis involve the chloroplast. The light reactions occur in the thylakoid.
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WILL GIVE BRAINLIST!
List the five major types of species interactions and how those interactions affect the two species involved
Answers
Answer:
here
Explanation:
Competition & Predation.
Commensalism.
Parasitism.
Mutualism.
Amensalism.
Predation: One Wins, One Loses
Predation includes any interaction between two species in which one species benefits by obtaining resources from and to the detriment of the other. While it's most often associated with the classic predator-prey interaction, in which one species kills and consumes another, not all predation interactions result in the death of one organism. In the case of herbivory, a herbivore often consumes only part of the plant. While this action may result in injury to the plant, it may also result in seed dispersal. Many ecologists include parasitic interactions in discussions of predation. In such relationships, the parasite causes harm to the host over time, possibly even death. As an example, parasitic tapeworms attach themselves to the intestinal lining of dogs, humans and other mammals, consuming partially digested food and depriving the host of nutrients, thus lowering the host's fitness.
Competition: The Double Negative
Competition exists when multiple organisms vie for the same, limiting resource. Because the use of a limited resource by one species decreases availability to the other, competition lowers the fitness of both. Competition can be interspecific, between different species, or intraspecific, between individuals of the same species. In the 1930s, Russian ecologist Georgy Gause proposed that two species competing for the same limiting resource cannot coexist in the same place at the same time. As a consequence, one species may be driven to extinction, or evolution reduces the competition.
how are vaccines and sanitation methods different
Answers
How do the size of the two atria compare to the ventricles
Answers
Answer:
Atria are the smaller upper chambers while ventricles are the larger lower chambers off the heart.
Explanation:
the main difference between them is that atria receives blood into the heart whereas ventricles pump blood outside the heart
societal trends can be uncovered by examining biological data. For example, poor eating habits and lack of exercise have been linked to obesity. Suppose you are looking at two mmunities: - In community A, there is a high density of fast food restaurants and a low density of sidewalks. - In community B, the opposite is true. There is a low density of fast food restaurants and a high density of sidewalks. researchers were investigating obesity levels in these two communities, what do you think their hypothesis would be? There is a higher level of obesity in community A. There is a higher level of obesity in community B. There are equal levels of obesity in communities A and B.
Answers
If researchers were investigating obesity levels in two communities where community A has a high density of fast food restaurants and a low density of sidewalks while community B has the opposite, a low density of fast food restaurants and a high density of sidewalks.
Their hypothesis would be that there is a higher level of obesity in community A.
When examining biological data, societal trends can be revealed. For example, poor eating habits and lack of physical activity are linked to obesity. As a result, two communities can be compared to discover whether or not this hypothesis is accurate.
Suppose researchers are examining obesity levels in two communities, one with a high density of fast food restaurants and a low density of sidewalks, and another with a low density of fast food restaurants and a high density of sidewalks. The hypothesis for this investigation would be that there is a higher incidence of obesity in community A, where fast food restaurants are plentiful and sidewalks are scarce, as opposed to community B, where there are fewer fast food restaurants and more sidewalks. In other words, the hypothesis suggests that poor dietary habits and a lack of physical activity, resulting from the lack of walkways, contribute to higher obesity rates in community A.
If researchers were investigating obesity levels in two communities where community A has a high density of fast food restaurants and a low density of sidewalks while community B has the opposite, a low density of fast food restaurants and a high density of sidewalks, their hypothesis would be that there is a higher level of obesity in community A.
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