global deforestation remains a major concern as huge tracts of rainforest are cut down each day. how does the removal of such large numbers of trees from the world's forests affect the concentration of carbon dioxide in the atmosphere?
Answers
The removal of large numbers of trees from the world's forests through deforestation has a significant impact on the concentration of carbon dioxide (CO2) in the atmosphere. Here's how it affects CO2 levels:
1. Carbon Storage: Trees act as carbon sinks by absorbing CO2 from the atmosphere through the process of photosynthesis. They store carbon in their trunks, branches, leaves, and roots. When trees are cut down and removed from forests, this stored carbon is released back into the atmosphere in the form of CO2 through processes like decomposition and combustion. As a result, deforestation contributes to increased CO2 emissions.
2. Reduced Carbon Sequestration: Forests play a crucial role in sequestering carbon dioxide. By removing trees, the capacity of the ecosystem to capture and store CO2 is significantly reduced. Younger trees and newly planted forests have lower carbon sequestration rates compared to mature, intact forests. Therefore, the loss of old-growth forests with high carbon sequestration potential contributes to increased CO2 levels in the atmosphere.
3. Feedback Loop: Deforestation can create a feedback loop that exacerbates the increase in atmospheric CO2 levels. Higher levels of CO2 in the atmosphere contribute to global warming and climate change. Rising temperatures can negatively impact forests by increasing the frequency and severity of wildfires, insect infestations, and droughts. These disturbances further accelerate deforestation and contribute to the release of more CO2, perpetuating the cycle.
4. Loss of Biodiversity: Deforestation not only affects CO2 levels but also leads to the loss of biodiversity. Forests are home to a wide variety of plant and animal species, many of which play crucial roles in maintaining ecosystem balance.
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Related Questions
Growth factors:____.
A. are inorganic.
B. are synthesized by the organism.
C. contain elemental oxygen.
D. cannot be synthesized by the organism.
E. all of these choices are correct.
Answers
D. cannot be synthesized by the organism.
The Study of Microbial Growth
-The Basis of Population Growth: Bacterial Cell Cycle and Binary Fission
Transverse binary fission is the mechanism used by bacteria to reproduce. In other words, one cell divides into two, and those two divide into four, and so on. A visible colony will emerge through several cell divisions within 10–24 hours once a single cell on a culture plate starts to divide.
-The Rate of Population Growth
The generation time is the length of time needed for one cell to divide. Generation times vary amongst different species; can be as low as 5 minutes and as lengthy as 30 hours. Bacteria evaluate their growth in cell counts rather than individual cell sizes. Growth is expressed in generation time.
Determinants of Population Growth
Over time, bacterial growth adheres to a growth curve—a predictably growing pattern.
Other Methods of Analyzing Population Growth
In liquid media, microbe growth causes turbidity. A spectrophotometer can be used to detect turbidity; however, not all bacterial cells are alive, therefore a higher absorbance indicates a higher bacterial cell count.
The six primary physical elements that influence the proliferation of microbes are highlighted in the following sentences. These elements are:1. Solutes and Water Acidity
2. Temperature
3. pH
4. Oxygen Requirements
5. Pressure
6. Radiation.
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Which scenario describes a relationship of commensalism?
O A polar bear catches a seal for dinner.
Oxpecker birds eat parasitic ticks off the backs of zebras.
O Atapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.
O Birds feed off the insects that are stirred up from the grasses as cattle move through.
Answers
Answer:
A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.
Explanation:
Answer:
It's D or the last option
I took the test and got a 100%
Amino acids are the building blocks of which macromolecule?
a. carbohydrates
b. DNA
c. lipid
d. protein
Correct Answer = Brainliest
Answers
Answer:
The correct option is d. Protein.
what causes the release of acetylcholine (ach) into the synaptic cleft of a cholinergic synapse? answer unselected the binding of acetylcholine to postsynaptic receptors unselected the hyperpolarization of the synaptic terminal unselected the enzyme acetylcholinesterase unselected calcium ions entering the cytoplasm of the synaptic terminal
Answers
Calcium ions entering the cytoplasm of the synaptic terminal causes the release of acetylcholine (ach) into the synaptic cleft of a cholinergic synapse.
Acetylcholine is the neurotransmitter used by cholinergic synapses, which are chemical synapses. An action potential or electrochemical impulse enters a presynaptic neuron and contacts its synaptic knob to begin synaptic transmission. By quickly hydrolyzing the neurotransmitter ACh, AChE stops synaptic transmission in the cholinergic synapses of invertebrate and vertebrate central nervous systems.
At neuromuscular junctions, synapses in the visceral motor system's ganglia, and numerous other locations throughout the central nervous system, acetylcholine is the neurotransmitter in use. In the bodies and brains of several species of animals, acetylcholine serves as a neurotransmitter. Its molecular composition—an ester of acetic acid and choline—is where its name comes from.
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Which type of solution is a 2% NaCl solution compared to a 10% NaCl solution?
Answers
2% NaCl solution is referred to as a hypotonic solution when compared to a 10% NaCl solution.
What is a Hyptonic solution?This is referred to as a type of solution which has a lower solute concentration when compared to another solution.
In this scenario we were given two different types of solutions which are 2% NaCl and 10% NaCl and we can deduce that the former has a lower concentration of salt which therefore means that it is a hypotonic solution when compared to the latter and is therefore the reason why it was chosen as the correct choice.
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A scientist is investigating the effect of a pesticide on the
ability of certain types of weeds to produce seeds. The
scientist plans to conduct a test to find out whether the
amount of pesticide will affect whether a weed makes
seeds.
Which type of scientific investigation does this plan describe?
A. Experimental investigation
B. Theoretical investigation
C. Descriptive investigation
D. Comparative investigation
Answers
The type of scientific investigation of a plan based on conducting a test to find out whether the amount of pesticide will affect whether a weed makes seeds is A. Experimental investigation.
What is an experimental investigation procedure?An experimental investigation procedure refers to formulating a given test in controlled conditions in order to determine if our working hypothesis can be confirmed or needs to be rejected, which is a fundamental step of the scientific method.
Therefore, with this data, we can see that an experimental investigation procedure allows us to confirm or reject the hypothesis.
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Name 2 tropophyte plants
Answers
Answer: Rose plants, Santan plant
Explanation:
I learned this in AP Biology class! I hope you find it helpful!
Answer:
Pineapple.
Oleander.
Explanation:
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List and briefly describe earths compositional layers
Answers
Answer:
Compositional Layers
Layer Depth
Crust 0-100km silicates
Mantle 100-2900km iron and magnesium silicates
Core 2900-6370km metals
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Which of the following has a stabilizing effect on equilibrium? A. Intraspecific competition B. Niches C. Interspecific competition D. Evolution
Answers
Answer:
The answer is option A "Intra-specific competition"
Explanation:
The equilibrium properties of an added substance multi-locus model of a quantitative attribute under recurrence and thickness subordinate determination are examined. Two contradicting transformative forces are expected to act:
1. settling determination on the attribute, which favors genotype with a middle aggregate, and
2. Intraspecific competition interceded by that quality, which favors genotype whose impact on the attribute digresses most from that of the overall genotype.
Likewise, wellness of genotypes have a recurrence free part depicting balancing out choice and a recurrence and thickness subordinate segment demonstrating competition.
¿Cuál es la importancia de la colonización de habitad para la ecología?
Answers
Answer:
i dont speak spanish so ya but thanks for the points
Explanation:
feathers and wings blank a synapomorphy for living birds because they are blank to this group; the mere presence of feathers and wings blank to explain the adaptive radiation of birds.
Answers
Feathers and wings are a synapomorphy for living birds because they are unique to this group. However, the mere presence of feathers and wings alone cannot fully explain the adaptive radiation of birds.
Feathers and wings are considered a synapomorphy, a shared derived characteristic, for living birds because these traits are exclusive to this group and are not found in any other extant vertebrates. Feathers provide birds with the ability to fly, which is a distinctive feature that sets them apart from other animals. Wings, in conjunction with feathers, enable birds to achieve powered flight, giving them an advantage in mobility and accessing resources in their environment. These unique adaptations have played a significant role in the diversification and evolutionary success of birds.
However, while feathers and wings are fundamental to the biology of birds, they alone do not fully explain the adaptive radiation of this group. Adaptive radiation refers to the rapid diversification of a single ancestral lineage into a wide array of species that occupy various ecological niches. In addition to feathers and wings, other factors such as beak morphology, specialized respiratory systems, hollow bones, and unique physiological adaptations have contributed to the evolutionary success and ecological diversity of birds.
These adaptations have allowed birds to exploit different food sources, habitats, and modes of locomotion, leading to the development of various specialized forms and functions within the avian lineage.
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Select the correct answer from the drop-down menu. The lunar eclipse occurs during the _______ phase. A.new Moon B.full Moon C.first-quarter Moon D.last-quarter Moon
Answers
Answer:
B. full moon
Explanation:
A solar eclipse occurs in the daytime at new moon, when the Moon is between Earth and the Sun, while a lunar eclipse occurs at night at full moon, when Earth passes between the Sun and the Moon.
Can I get Brainliest? TYSMMMMMMMMMMMMMMM
Answer:
the correct answer is . B
Explanation:
Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are listed below.
The non-constancy of species
Branching evolution, which implies the common descent of all species .
Occurrence of gradual changes in species Natural selection as the mechanism for evolution
Darwin's ideas have been enhanced and modified as new knowledge and technologies have become available. Discuss how TWO of the following have modified biologists' interpretation of Darwin's original contributions.
Answers
The Hardy-Weinberg equilibrium has helped modified biologists' interpretation of Darwin's original contributions in that it helped scientists to understand evolutionary changes in terms of mutation.
Genetic engineering has helped modified biologists' interpretation of Darwin's original contributions by equipping scientists with tools to bring about changes in the genes of organisms faster than natural selection would.
What is the Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium states that the frequencies of alleles and genotypes will remain constant from generation to generation in a large, randomly mated population that is not subject to mutation, migration, natural selection, or genetic drift.
In a population where these conditions are met, evolutionary changes are not observed.
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Complete question:
Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are listed below.
The non-constancy of species
Branching evolution, which implies the common descent of all species.
Occurrence of gradual changes in species Natural selection as the mechanism for evolution
Darwin's ideas have been enhanced and modified as new knowledge and technologies have become available. Discuss how TWO of the following have modified biologists' interpretation of Darwin's original contributions.
o Hardy-Weinberg equilibrium
o Punctuated equilibrium
o Genetic engineering
Which defines a cell?
A. microscopic organism I in water
B. protein molecules in animals
C. the basic unit of living things
D. the smallest type of animal
Answers
Answer:
C
Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. ... Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
cells. the smallest part of a living thing that can carry out the activities needed for life. organism. a living thing. organelle.
a small foreign molecule that can be added to larger carrier molecule to increase its immunogenicity is called
Answers
Hapten is small foreign molecule that can be added to larger carrier molecule to increase its immunogenicity.
A hapten is a substance that can bind to a specific antibody but does not have antigenicity on its own. When injected directly into animals, many small molecules of Mr 1000, such as toxins, drugs, and hormones, are incapable of eliciting an immune response. As a result, they are not immunogenic on their own and are referred to as haptens.
Haptens are small molecules in immunology that elicit an immune response only when attached to a large carrier, such as a protein; the carrier itself may not elicit an immune response (in general, only large molecules, infectious agents, or insoluble foreign matter can elicit an immune response in the body). Once the body has produced antibodies against a hapten-carrier adduct, the small-molecule hapten may be able to bind to the antibody, but it will not usually initiate an immune response; only the hapten-carrier adduct can do so. Small-molecule haptens can sometimes even inhibit immune response to the hapten-carrier adduct by preventing the adduct from binding to the antibody, a process known as hapten inhibition.
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according to the principle of convergence, when we are evaluating the empirical evidence on a psychological topic, we should think in terms of rather than breakthrough.
Answers
According to the principle of convergence, when evaluating empirical evidence on a psychological topic, we should think in terms of converging lines of evidence rather than a single breakthrough. This approach emphasizes the importance of considering multiple sources of information to reach a well-rounded understanding of the topic.
The principle of convergence suggests that the most reliable and valid conclusions are those supported by multiple sources of evidence. This can include different types of studies, methodologies, and perspectives, as well as independent replications of findings. By considering the convergence of evidence, researchers can minimize the influence of biases and errors that may be present in individual studies.
When examining psychological topics, it is essential to recognize that a single study or finding is unlikely to provide definitive answers. Convergence of evidence acknowledges that scientific knowledge is cumulative, and our understanding of a topic improves as more research is conducted. This approach promotes the importance of replicability, as converging evidence from multiple sources strengthens the credibility of findings and increases confidence in the conclusions drawn.
In summary, the principle of convergence highlights the need to consider multiple lines of evidence when evaluating empirical research on psychological topics. This approach allows for a more comprehensive understanding of the topic and reduces the likelihood of drawing erroneous conclusions based on a single study or finding.
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Which has been observed in the study of embryology?
Species whose embryos have similar traits rarely have a common ancestor.
Species whose embryos have similar traits always have similar body forms as adults.
All traits present in early embryos remain throughout development.
Some traits in certain embryos disappear as the embryo develops.
Answers
Answer:
(D)
Explanation:
edge 2021
Some traits in certain embryos disappear as the embryo develops has been observed in the study of embryology.
What is Embryology?The study of how an embryo and fetus form and develop is known as embryology.
The basis of embryology prior to the widespread use of the microscope and the development of cellular biology in the 19th century was descriptive and comparative investigations.
Since the time of the Greek philosopher Aristotle, people have argued about whether the embryo is an undifferentiated entity that gradually becomes specialized or a preformed, small individual.
The study of embryogenesis, or the growth of the embryo from a fertilized egg cell, is the focus of the field of embryology. The study of embryology has aided in the understanding of congenital disorders and the development of assisted reproductive technologies.
Therefore, Some traits in certain embryos disappear as the embryo develops has been observed in the study of embryology.
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After the fetus has descended into the pelvis at the end of the third trimester, many mothers experience:
Answers
After the fetus has descended into the pelvis at the end of the third trimester, many mothers experience an increase in pelvic pressure and discomfort due to the baby's position, engagement in the pelvis, and pressure on surrounding organs.
As the fetus reaches the end of the third trimester and prepares for birth, it often descends into the pelvis, a process known as "engagement" or "lightening." This descent occurs as the baby's head moves down toward the birth canal. As a result, the mother may experience an increase in pelvic pressure and discomfort. The pressure can be felt in the lower abdomen, pelvis, and sometimes in the lower back.
The descent of the fetus into the pelvis can cause several physical changes. The baby's position and engagement in the pelvis put pressure on the bladder, leading to increased frequency of urination. Additionally, the pressure on the rectum and pelvic floor muscles can cause sensations of heaviness, discomfort, or the urge to have a bowel movement.
These symptoms are normal and indicate that the baby is getting into position for birth. However, they can be uncomfortable for the mother, particularly during movements or when sitting or standing for extended periods. It's important for expectant mothers to communicate any concerning or severe discomfort to their healthcare provider for evaluation and guidance.
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How does acid rain cause animals to suffer?
their habitats are destroyed by the severe weather rain can bring
animals can only find food in dry weather so they often go hungry during rain
O acid rain causes their to be less plants for animals to eat
acid rain is only a problem for humans
Answers
Acid rain harms numerous animals and plants. Thus, the food web suffers. Acid rain kills lake phytoplankton. As a result, phytoplankton-dependent insects die. Therefore, option (C) is correct.
What is acid rain?Acid rain, also known as acid deposition, is an all-encompassing word that refers to any form of precipitation that contains acidic components, such as sulfuric or nitric acid, and that falls to the ground from the atmosphere in either a wet or dry form. Acid precipitation can take several forms, such as rain, snow, fog, hail, or even dust.
Rain that contains acid can provide significant challenges for a wide variety of flora and fauna. As a direct consequence of this, the entire food web is disrupted. For instance, phytoplankton in lakes might perish as a direct result of acid rain. As a result of there being less phytoplankton available, the insects, which get their nutrition from it, are starting to starve to death.
Therefore, option (C) is correct.
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how do mirnas function in controlling gene expression?
Answers
Answer:
The genes of the ath operon code for the enzymes necessary to use athelose as an energy source. ... How do miRNAs function in controlling gene expression? by binding to mRNAs and degrading them or blocking their translation. Name the starting molecule from which cDNA is synthesized and the enzyme that does the synthesis
Explanation:
What can be said about farmers in highly developed countries?
A) They have little or no negative impact on the environment.
B) They practice subsistence agriculture.
C) They are able to incorporate polyculture into their farming practices.
D) They utilize organic farming techniques on a regular basis.
E) They rely on large amounts of energy from fossil fuels.
Answers
Answer:
c
Explanation:
because, it just makes sense
Answer: B.) they are able to practice subsistence agriculture
Explanation:
Inside a seed the new sporophyte is a(n)
A. Embryo.
B. Cotyledon.
C. Pollen.
D. Endosperm
Answers
Inside a seed, the new sporophyte is an embryo. An embryo is a fertilized egg that has developed into a multicellular organism but is not yet able to survive on its own outside the seed.
The embryo is the seed's primary growth stage. The embryo is encased in the endosperm or cotyledon, which offers nutrition to the plant until it has grown enough to develop roots and leaves.The two primary groups of plants are angiosperms and gymnosperms. Angiosperms have seeds that are enclosed inside an ovary. The ovary matures into a fruit after the fertilization of the egg. On the other hand, Gymnosperms have seeds that are not enclosed in a fruit, for instance, the conifers. Instead, they are carried in cones.
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What is the purpose of the digestive system?
1. Create energy
2. Swallow food
3. Break down food so nutrients can be absorbed
Answers
Answer:
3. Break down food so nutrients can be absorbed
Explanation:
the reasoning is when you digest something your body is breaking down the food into small chuncks so that the nutrients can be absorbed easier
not #2 - your mouth swallows not your digestive system
Help with this ASP please
Answers
Answer:
Covalent bonds formed by shared electrons between atoms.
Explanation:
4. Any substance (for example, NAD*) that
gains electrons is
[p.76]
a. oxidized
b. a catalyst
c. reduced
d. a substrate
Answers
Remember the acronym
LEO the lion goes GER
Loss Electrons Oxidized
Gain Electrons Reduced
Draw a neat labelled structure of heart and write about valves in heart
Answers
Answer:the valves prevents the backward flow of blood
Explanation:
Answer:
The labelled structure of the heart is attached below. The valves in the heart prevent the backward flow of blood. These valves are actual flaps that are located on each end of the two ventricles (lower chambers of the heart). They act as one-way inlets of blood on one side of a ventricle and one-way outlets of blood on the other side of a ventricle.
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cafeology
Which of the following could both a eukaryotic and a prokaryotic cell share/contain :
1- Nucleus
2- Golgi bodies
3- Endoplasmic reticulum
4- Cell membrane
5- Any membrane-bound organelle
Answers
The following which both eukaryotic and a prokaryotic cell share/contain is the cell membrane and is thereofre denoted as option 4.
What is a Prokaryote?These are the types of organisms whose cells lack a nucleus and other membrane bound organelles. Eukaryotes on the other hand are organisms which have a nucleus and other membrane bound organelles.
Examples of membrane bound organelles are nucleus, golgi bodies, endoplasmic reticulum etc and is therefore the reason why only cell membrane was chosen as the correct choice as it helps to provide structural integrity to cells.
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What are three ways that absolute dating can be used in the real world?
Answers
first everyone needs time leave the house
Explanation: then see other people get time know more people then FUND TGE ONREEEE
2. What molecules are involved in carbon cycle?
Answers
Answer- The main elements involved in carbon cycle are carbon oxygen and Hydrogen and these make up tw reactants and products of both photosynthesis and cellular respiration reaction
Explanation- hope u like it
Help ASAP!! Correct answer will get brainly, please only answer if you KNOW the CORRECT answer. This question is worth 40 POINTS! Help.
A de-shelled egg is placed in corn syrup. The egg shrinks in size.
What is the best explanation for this change in size?
A: Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell.
B: Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.
C: Corn syrup moved into the cell through diffusion because there was more corn syrup outside the cell than inside the cell.
D: Water moved out of the cell by osmosis because the solute concentration was higher outside the cell than inside the cell.
Answers
Answer:
D: Water moved out of the cell by osmosis because the solute concentration was higher outside the cell than inside the cell.
Explanation:
it does the opposite of osmosis so the water from the cell goes out of the cell into the corn syrup