Answer:
what are the domains? If you comment the three domains I will help <3
Which statement describes all stable ecosystems?
1) Herbivores provide energy for the autotrophs,
2) The populations of predators are dependent on
the populations of their prey.
3) The number of autotrophs equals the number of
heterotrophs.
4) Consumers synthesize ATP from light energy.
Stable ecosystem has the populations of predators are dependent on the populations of their prey of predators .
What is ecosystem?An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
Who are predators ?Predators are organisms that hunt and kill other organisms for food. The organisms that are consumed by the predators are known as the prey.
Stable ecosystem has the populations of predators are dependent on the populations of their prey of predators .
Hence, option 2 is correct
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if the number of nitrifying bacteria decreased what effect would this have on the nitrogen cycle
If the number of nitrifying bacteria decreased, it would have a negative effect on the nitrogen cycle.
Nitrifying bacteria are responsible for converting ammonia (NH3) into nitrite (NO2-) and nitrate (NO3-), which are important forms of nitrogen that can be used by plants for growth. Without nitrifying bacteria, the process of nitrification would be slowed down or stopped, leading to a decrease in the amount of available nitrite and nitrate for plants. This can have a cascading effect on the entire ecosystem, as other organisms that rely on plants for food would also be impacted.
Additionally, a decrease in nitrifying bacteria would also affect the process of denitrification, which converts nitrate back into nitrogen gas and releases it into the atmosphere. This would lead to a build-up of nitrate in the soil, potentially leading to soil eutrophication, and affecting the water quality.
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include examples such as euglena, a photosynthetic protist, amanita, a poisonous fungi, gingko biloba, an ancient tree, and humans.
Examples of eukarya include humans, amanita, a deadly fungus, Ginkgo Biloba, and euglena, a photosynthetic protest.
Eukarya are organisms with one cell or several cells with a membrane-bound nucleus. The only domain that includes multicellular, visible organisms including humans, animals, plants, and trees is the eukarya. Numerous microorganisms, including fungi, algae, and micro animals. All organisms with a nucleus fall under the domain Eukarya. The last four kingdoms of the six kingdom structure are Protista, Fungi, Plantae, and Animalia. Eukaryotic cells feature a membrane-bound nucleus and a central cavity that contains the genetic material of the cell. The compartments with specific functionalities that are membrane-bound and floating in the cytoplasm.
Hence, eukarya domain includes eukaryotic cell possessing organism.
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Why can overfishing lead to ecosystem collapse? Will O A. Many mammals rely on fish for food. B. Eventually, it will lead to exponential growth. O C. Fish help maintain the temperature of the ocean. O D. The predators that rely on fish will increase in population.
n e w 8/28/2020
Answer:
many mammals rely on fish for food
Explanation:
14. In an oxygenic
photosynthesis,
the green
and the purple bacteria do not use which
of the following one as an electron source?
In oxygenic photosynthesis, the green and purple bacteria do not utilize \(H_2O\). Cyanobacteria (even comprehended as blue-green algae) describe a group of bacteria that produce their food by the method of photosynthesis, during which they utilize carbon dioxide and emit oxygen.
What is oxygenic photosynthesis?Cyanobacteria (even comprehended as blue-green algae) describe a group of bacteria that produce their food by the method of photosynthesis, during which they utilize carbon dioxide and emit oxygen.
In oxygenic photosynthesis, the green and purple bacteria do not utilize \(H_2O\).
Due to their capacity to create oxygen as a byproduct of photosynthesis, Cyanobacteria exist considered to be the earlier oxygenic phototrophs that transformed the earlier low-oxygen atmosphere (reducing atmosphere) into an oxidizing atmosphere. It exists directed to change Earth's living conditions and development.
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A specimen suspected of containing which organism may be cultured by placing it on an agar plate with an overlay growth of Escherichia coli?
A. Entamoeba coli
B. Schistosoma japonicum
C. Acanthamoeba species
D. Taenia species
A sample suspected of containing Acanthamoeba species may be cultured by placing it on an agar plate overlaid with E. coli?
What is Acanthamoeba?Acanthamoeba is a genus of amoeba commonly obtained from soil, freshwater, and other habitats. Acanthamoeba has two evolved forms: metabolically active trophozoites and quiescent, stress-tolerant cysts. Acanthamoeba can cause granulomatous encephalitis (GAE); a severe usually fatal, brain and spinal cord infection.
Can Acanthamoeba be cured?Acanthamoeba skin infections that have not spread to the CNS (central nervous system) can be successfully treated. Because the infection is serious and infected people generally have weakened immune systems, early diagnosis increases the chances of recovery.
How is Acanthamoeba transmitted?Acanthamoeba is distributed in air, soil, lakes and seas. Most infections originate from fresh water such as tap water, pools, hot tubs, showers, and sewage systems.
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A region has a high pressure system, and then a low pressure system moves
in. What is the best prediction about the weather from this information?
A. Cold
B. Clear
C. Stormy
D. Hot
APEX
Answer:
A
Explanation:
B Is the high pressure system and low is only predominant in cold regions
Answer:
actually the answer is clear
Explanation:
If substrate concentration is kept permanently high and the enzyme concentration is gradually increased,the rate of activity of the enzyme will:
A.increase
B.increase and then decrease
C.increase and then level off
D.stay the same
If substrate concentration is kept permanently high and the enzyme concentration is gradually increased, the rate of activity of the enzyme will increase and then level off. Option C
As the number of enzymes available to catalyze the reaction is abundant, the rate of the enzyme's activity will initially rise when the enzyme concentration is increased.
At the same time when the enzyme concentration continuously rises, eventually, all the substrate molecules will be consumed, and at this point, it gets stagnant where the pace of the reaction will decrease with the addition of more enzymes. This is referred to as the reaction's maximum velocity.
Hence, when the enzyme concentration is increasing steadily while still maintaining a persistently high substrate concentration, then the rate of the enzyme's activity will rise and then level off.
Therefore Option C is correct
which action most likely lead scientists to develop new explanations or theories about pathegons
Conducting extensive research, analyzing new data, and encountering unexpected findings or patterns in pathogen behavior would likely lead scientists to develop new explanations or theories about pathogens.
Scientists are most likely to develop new explanations or theories about pathogens through rigorous scientific investigation, which involves several key actions:
Experimental Research: Conducting experiments to observe and manipulate pathogens under controlled conditions allows scientists to gather empirical data and identify patterns or unexpected outcomes that may challenge existing explanations.
Data Analysis: Analyzing large datasets, including genomic information, epidemiological data, and clinical observations, can reveal novel insights into pathogen behavior, transmission, and evolution, leading to the formulation of new theories.
Observational Studies: Conducting comprehensive field studies and surveillance programs to monitor pathogen spread, host interactions, and environmental factors can uncover previously unknown aspects of pathogen biology or identify unique features that prompt scientists to develop new explanations.
Collaborative Efforts: Collaborating with multidisciplinary teams of scientists, sharing findings, and engaging in scientific discussions and debates foster a healthy scientific environment that encourages the development of new theories and explanation.
Peer Review and Publication: Presenting research findings to the scientific community through peer-reviewed publications invites critical evaluation, feedback, and potential challenges, stimulating the development of alternative explanations and theories.
Through these actions, scientists continuously push the boundaries of knowledge, leading to the development of new explanations and theories about pathogens.
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In the carbon cycle, what form of carbon do producers take in from the atmosphere to perform photosynthesis?
OA. carbohydrates
OB. CO2
O c. protein
OD.
solid carbon
O E.
water
Answer:CO2
Explanation:
Scientists who study evolution at or below the species level are most likely___.
Microevolutionalists
Convolutionalists
Macroevolutionalists
Ans. Microevolutionalists
Scientists who study evolution at or below the species level are most likely micro evolutionists.
What is the definition of microevolution?Microevolution is defined as changes in the frequency of a gene in a population. These are subtle changes that can occur in very short periods of time, and may not be visible to a casual observer.
What is microevolution for example?Pesticide resistance, herbicide resistance, and antibiotic resistance are all examples of microevolution by natural selection. The enterococci bacteria, shown here, have evolved a resistance to several kinds of antibiotics.
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Which steps in an experimental investigation are not part of descriptive orcomparative investigations?A. Testing hypotheses and identifying variablesB. Asking questions and forming conclusionsOC. Using tools and making inferencesOD. Making observations and collecting data
The correct option is OC. Using tools and making inferences. Instead of doing inferences hypothesis are developed to get an idea of what would be the outcome of the experiment.
ANSWER IN ONE MUNTUE WILL MARK BRAINLIST
electrons
that is the smallest
What best explains the interaction between tRNA and mRNA during translation?
which measurement is likely the least accurate? Explain.
What observations and/or patterns do you see in the data?
Based on the information, we can infer that the measurement that could be the least probable is caudal peduncie depth strandard error. Also, the trend is for lake values to be higher than river values.
What difference do we see in the values in the table?To identify the values we must analyze the table and identify they are not the trends. In this case we can infer that the tendency is for the values of the lake to be higher than the values of the river because all the values of the lake are higher than those of the river.
On the other hand, we can infer that the value that could be the least successful is the peduncie depth strandard error because it shows equal values. However, if we take into account the previous values, it should not be the same in both cases.
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Which of the following is not a primary understanding of the theory of evolution?
Individuals evolve, not populations.
New species can develop over thousands of generations.
Existing species can gradually change in a changing environment.
A new trait must be able to be passed on to the next generation.
According to the research, the correct option is A. The statement "Individuals evolve, not populations" is not a primary understanding of the theory of evolution.
What is the theory of evolution?It is a theory that explains the gradual and progressive process through which species are modified over time.
In this sense, species change over time and their survival depends on each one; and the variations over time and the degree of adaptation that each presented.
Therefore, we can conclude that according to the research, theory of evolution explains that an alteration in the genetics of a population that could lead to the adaptation of the species to a new habitat or the emergence of a different species.
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spermatogenesis results in (a) two haploid cells (b) three haploid bodies (c) one haploid sperm cell and three polar bodies (d) four haploid sperm cells
D - The meiosis process results in the split of the cell into 4
A new diet pill is advertised as a way to lose weight fast without counting calories or excising. The company, SkinnyQuik, claims that you will lose 20 pounds per month if you take the pill everyday. Mrs. Pearbody and her friends are all overweight, but they don’t believe hat this pill will work. How can the company make her believe in them? How can they find out if the new diet pills work?
what is the active site of an enzyme
Answer:
Active site
In biology, the active site is region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of amino acid residues that form temporary bonds with the substrate and residues that catalyse a reaction of that substrate
Explanation:
Hope it helps you!
_ observations include descriptions of sights, sounds, smells, and texture ( use senses)
A. Solution
B. Problem
C. Qualitative
D. Quantitative
HELPP MEEEE
8.) The nervous system is:
A. a system for supporting the body’s structure.
B. a system for circulating blood throughout the body.
C. a network that carries messages between the brain and the rest of the body.
D. a network of glands that secrete hormones.
_______________________
9.) From the choices below, select the activities for which the nervous system is responsible.
A. digesting food to produce energy
B. quickly moving your hand off of a hot stove
C. feeling pain
D. identifying an odor
_______________________
10.) Glial cells are
A. cells that support neurons.
B. cells that produce sweat.
C. cells that transmit messages.
D. cells that sometimes attack the nervous system.
_______________________
11.) What are the characteristics of the central nervous system? Select all that apply.
A. It is made up of the brain and spinal cord.
B. It is a system of bones that supports the body.
C. It uses the spinal cord as a pathway to transmit messages to the PNS.
D. It contains networks of nerves called plexuses.
_______________________
Answer: C
Explanation:
Tthe nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body.
Select the photosynthetic molecule that gives halobacteria its unique color.
a.) Caratenoids
b.)Thylakoids
c.)Bacteriochlorophylls
d.)Bacteriorhodopsin
Answer:
Bacteriorhodopsin
Explanation:
Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.
Drag the tiles to the correct boxes to complete the pairs.
Identify the types of inheritance based on the expression of alleles in the organism.
Answer:
Presence of many alleles for the trait to be expressed --> Multiple
Presence of two alleles for the trait to be expressed --> recessive
Presence of a single allele for the trait to be expressed --> dominant
Answer:
Presence of two alleles for the trait to be expressed: recessive
Presence of many alleles for the trait to be expressed: multiple
Presence of a single allele for the trait to be expressed: dominant
Explanation:
Edmentum
If you are heating water on stove why does it take a while for the water to boil
Answer:
Common sense should tell you the answer!
More water = more mass = more time, basic school physics.
Explanation:
If heat energy is supplied at a roughly constant rate by the heat source then the time taken to supply the total energy needed to boil is calculated from E = Pt. The energy required simply depends on the mass of water. E = m x SHC x temp change. so t = m x SHC x dT/P.
Answer:
Because the pan/pot has to get to the right temp first.
Explanation:
The water boils at a lower temperature. So the pan will boil faster as it doesn't have to reach 100 degrees C to boil the water.
1. Why do you have a dedicated circulation pathway for the spleen, stomach, pancreas, gallbladder, and intestines that passes through the liver
Answer:
Because the liver is a crucial organ that processes the nutrients that the blood carries. Also, we storage blood when the volume of it is above the normal levels.
Explanation:
The blood that circulates through the spleen, stomach, pancreas, gallbladder, and intestines has to pass through the liver. This organ will metabolize proteins, lipids, cholesterol, bilirubin, toxins, and steroid hormones, also store glycogen, fats, Ferrum, and vitamins, and produce bile. The nutrients that the blood carries are processed in the liver to keep the body healthy and to eliminate substances through bile. The bile will also help with the digestion of nutrients in the intestine.
When the blood from these organs (spleen, stomach, pancreas, gallbladder, and intestines) goes to the liver via the hepatic vein, the hepatic cells process it and deals with the functions previously mentioned. Once that blood is filtered, it goes to the hepatic veins, and from there, to the heart.
The liver and Spleen are the two primary organs of the body, through which blood circulates and purifies. The organs like the gall bladder, spleen, liver, and pancreas are involved in the circulation of blood.
The blood circulated between the organs like the spleen, stomach, intestine, and pancreas is sent to the liver.
The liver plays a crucial role in the metabolism of toxins, bilirubin, proteins, lipids, and cholesterol. Also, glycogen, hormones, and vitamins are also stored in the liver.
The nutrient-rich blood is present in the blood, which helps in maintaining the health and proper functioning of the body.
The blood from these organs is delivered by the hepatic vein to the liver, and the hepatocytes metabolize the nutrients. The blood once filtered and purified, is delivered to the heart via hepatic veins.
Thus, the blood circulation between the liver and other organs like the spleen and gall bladder is necessary to metabolize nutrients before sending them to the heart.
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write about Archimedes principle
Answer:
Archimedes principle states that when a body is totally or partially immersed in a fluid, it experiences an upthrust which is equal to the weight of the fluid displaced.
4. All of the following are considered carbohydrates except ....
O sour patch kids
O potatoes
O olive oil
lettuce
Answer:
olive oil
Explanation:
Olive oil is a pure fat, but according to the U.S. Department of Agriculture's MyPlate guidelines, a healthy fat, meaning it contains no protein or carbohydrates
Which term means "a feature of
an organism's body that helps it
survive and reproduce"?
Behavioral
Anatomical this is the answer
Answer:
• Anatomical adaptation: a feature of an organism's body that helps it survive and reproduce.
Explanation:
Answer: Anatomical
Explanation:
f today's first high tide is at 7:00 AM, what time will today's next high tide be?
plz help first one to answer correctly, 5 star, thx, and brainliest.
Answer:
7PM
Explanation:
It looks like a high tide comes in every 12 hours from the last one.
An atom has an atomic number of 14 and a mass number of 29.How many neutrons are there in this atom