According to the stability-diversity hypothesis, tropical rain forests are stable communities because they have high species richness. Thus, the correct option is A.
What is Species richness?Species richness may be defined as a count of the number of species living in a community at a particular time.
The tropical rainforest has a stable climate with moderate rainfall. So, species richness and diversity have been found in this biome.
Therefore, the correct option for this question is A.
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How did the conservationist John Muir contribute to the protection and management of resources in the US?
Conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.
What did John Muir do?John Muir played a key role in changing this perspective by proposing the preservation of natural areas with a focus on their
environmentalscientific and educational aspects.Muir recognized the importance of ecosystems and their interrelationships for the maintenance of life on the planet, while he saw man as part of the natural world, not the center of it.
With this information, we can conclude that conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.
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Hunting in the area causes all of the shrews in the area to be
killed. How would this affect the rest of the organisms in the
food web?
Answer:
C: the number of crickets would increase
Explanation:
If less shrews were to exist than their prey would increase because they have less predators.
Explain further the idea that indicates that all of life is related and can be divided into three major clades, often referred to as the three domains. How does that relate to the common confusion indicating that "humans didn't come from monkeysLinks to an external site."?
All of life can be divided into three major clades because it is believed that all branches of the tree of life have the same evolutionary origin.
What is evolution?Evolution is descendence with modification, which generally is due to the process of natural selection.
Evolution indicates that all organisms derive from an ancestral organism (it is related to the cell theory).
In conclusion, all of life can be divided into three major clades because it is believed that all branches of the tree of life have the same evolutionary origin.
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3. Provide examples from your model of conservation of matter through Earth's spheres.
4. Identify the limitations of your carbon model in accounting for all of Earth's carbon.
3. Matter is lost on earth but energy is transformed from one form to another. The ultimate source of energy is the sun and then its is transformed from one form to another. The matter is not converted from one form to another form, it gets destroyed as the plant and dies. So, we can say the energy is conserved on earth but the matter gets destroyed.
4. The carbon model is the flow and the movement of the carbon and its compound in the atmosphere. Climate change is the limitation of the carbon model.
What is climate change?A climate change is a variation in the weather and the climate pattern due to a change in temperature and other atmospheric factors. It will lead to a transformation in the flow of carbon in the environment.
Increased carbon in surroundings increases temperature and results in a change in seasons and humidity levels, leading to changes in the rainfall.
Therefore, climate change is the limitation of the carbon model.
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Which sources would preserve the soft tissue of an early mammal?
Answer:
Amber, tar pits, and ice
Explanation:
This is what it says in my notes for edge 2020
Which agents cause diseases like yellow fever, encephalitis and measles
Answer:
viruses
Explanation the disease-causing agents take over the machine of the cells and use it to reproduce
Some weight-loss diets are believed to speed up the body's metabolism to help a person lose weight quickly. Other diets rely on very low-calorie intake for rapid weight loss. Is it important, when changing one's diet, to know how the cells in your body will react to the introduction of new substances or removal of other substances?
Answer:
It is super important
Explanation:
It is critically important that one must know how and what your body needs before introducing new things or removing old things. For eg. people tend to go on keto diets (high fats). But, one must know that our brain neurons require very high energy and need constant sugar. Therefore, if you intake very low sugar in keto diet, you might actually harm yourself more than benefit.
what is science and what is momentum
Answer:
science is the use of technology and momentum is conserved in school
help marking brainliest
Answer:
option A is the metaphase and option E is the telophase
what Substance is released by your body when infected and causes thermostat of the body to go up and to cause fever?
Answer:
protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.
Explanation:
protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.
do you think that all living organisms show all of the characteristics of living organisms of all time?
Two moths of the same species are colored the same shade of brown and inhabit the same forest. One has the genotype BB and the other Bb. Their genotypes are different; their survival rate could be expected to be
a. the same since natural selection works on phenotype
b. different since natural selection works on genotype
c. the same since genotype and phenotype do not matter in natural selection
d. different since natural selection works on phenotype
Answer:
A. the same since natural selection works on phenotype
Explanation:
Natural selection acts on the phenotype, not the genotype. But it can cause changes in the genotype.
Another kind of mutation is genetic, and it is caused by small changes in an organism’s DNA. A change in a base pair is a mutation. This can cause the wrong protein to be made during protein synthesis. Which of the following are causes of mutations?
1. DNA sequence
2. Deletion
3. Subscription
4. DNA replication
Answer:
Deletion sorry if i am wrong
Explanation:
when a tall male with a genotype of Tt is crossed with a tall female with a genotype of Tt what is the probability that they will produce offspring with a phenotype of being tall?
0%
25%
75%
50%
A microscopic image of plant cells is shown. An arrow points to the cell membrane.
Which is a function of the cell structure that is labeled X?
Answer:
The function of cell membrane is to allow only certain substances to go in or out the cell.
What is crossing over biology
Which process connects glycolysis and the citric acid cycle?What role does cellular respiration play in the carbon cycle?
Answer:
Glycolysis and the TCA cycle are linked by the linking reaction catalysed by pyruvate dehydrogenase complex. Pyruvic acid produced at the end of glycolysis is transported to the matrix of mitochondria, where it undergoes oxidative decarboxylation to produce acetyl CoA. Acetyl CoA enters the TCA cycle.
what is inertia and how it is solved
Answer:
The inertia is directly proportional to the mass of the object or to the velocity if the object is in motion. According to Newton's first law of motion, an object not subjected to any net external force moves at constant velocity and will continue to do so until some force causes its speed or direction to change.
Question 4 (Mandatory) (1 point) ✓ What color would we see in the nodule if the bacteria are reproducing but
are not actively fixing nitrogen?
Question 5 (Mandatory) (1 point)
What color would we see in the nodule if the bacteria are not reproducing
but are actively fixing nitrogen?
A reddish pink color indicates that the bacteria are active and fixing nitrogen.
What is nitrogen fixation?The term nitrogen fixation has to do with the ability of certain bacteria to trap and fix nitrogen into the root noodles of leguminous plants. This is an active part of the nitrogen cycle.
Thus, a reddish pink color indicates that the bacteria are active and fixing nitrogen.
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Activity: Climate-Change Essay
Hello Teresa,
Goal: Write an essay about your opinion on anthropogenic global warming. The paper should be at least three pages long and typed, following MLA format.
The following should be included in the essay:
Your opinion on global warming and climate change
.
Scientific studies to support your opinion (Choose specific aspects such as solar maximums, ice-core samples, computer modeling, etc.)
.
At least three sources of scientific studies with notes about who funded and published the research (How does the funding and publishing of the rese
Descriptions of potential causes and potential consequences of global warming and climate change
.
At least five recommendations for the future
Carbon dioxide (CO2) is the most significant of the greenhouse gases. Volcanic outgassing, organic matter burning and natural decay, and aerobic (oxygen-using) organisms' respiration are all natural sources of atmospheric CO2. On average, these sources are counterbalanced by a collection of physical, chemical, or biological processes known as "sinks," which remove CO2 from the atmosphere. Terrestrial flora, which absorbs CO2 during the photosynthesis process, is a significant natural sink.
What is the normal level of CO2 in the atmosphere?CO2 levels in the air and probable health issues are as follows: The average outdoor air level is 400 parts per million. 400–1,000 ppm: typical concentration found in inhabited spaces with adequate ventilation. Drowsiness and poor air quality are linked to levels of 1,000–2,000 ppm.
Human activities, on the other hand, increase atmospheric CO2 levels primarily through the combustion of fossil fuels—primarily oil and coal, and secondarily natural gas—for transportation, heating, and electrical power generation, as well as the creation of cement. Forest fires and land clearing are two further examples of anthropogenic origins.
Anthropogenic emissions currently account for around 7 gigatons (7 billion tons) of carbon released into the atmosphere each year. Anthropogenic CO2 emissions account for about 3% of total CO2 emissions from natural sources, and this magnified carbon burden from human activities far surpasses natural sinks' balancing capacity (by as much as 2–3 gigatons per year).
Effects:Sea levels are rising, and the oceans are warming. Droughts that last longer and are more intense endanger crops, wildlife, and freshwater supplies. The richness of life on our world is threatened by climate change, from polar bears in the Arctic to sea turtles off the coast of Africa.
Ways to reduce global warming?
Improvements to energy efficiency and vehicle fuel economy, increases in wind and solar power, biofuels from organic waste, setting a price on carbon, and protecting forests are all potent ways to reduce the amount of carbon dioxide and other gases trapping heat on the planet.
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A good conclusion restates the hypothesis so that the reader
does not have to return to the beginning of the report.
sees how the scientist applied the results to the hypothesis.
understands how the methods relate to the hypothesis.
recognizes that the hypothesis was correct.
Answer:
a VALID conclusion proves a hypothesis until other data disputes or proves otherwise, and requires high degree scientific integrity in methodology to produce reliable results over time through replicated experiments ..
Which of the following works with the endocrine system and the nervous system?
a.
hypothalamus
b.
parathyroid glands
c.
pituitary gland
d.
thyroid gland
Hypothalamus works with the endocrine system and the nervous system. Thus, the correct option is A.
What is endocrine system?Endocrine system is the hormone-producing glands and organs release hormones directly into the bloodstream, allowing them to travel to tissues and organs throughout the body.
In the brain's, lower center region, The hypothalamus is present. It is a link between the endocrine and neurological systems. Chemicals produced by nerve cells in the hypothalamus regulate the release of hormones generated by the pituitary gland.
The hypothalamus collects data from the brain (such as ambient temperature, light exposure, and feelings) and delivers it to the pituitary gland. This information has an impact on the hormones produced and released by the pituitary gland.
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Give two reasons-
Bacteria can be considered as a chain between animals and plants
Bacteria can be considered as a chain between animals and plants because it give benefits both plant and animal.
What is unique about bacteria?Bacteria has unique features that can benefits both plant and animal. Bacteria like Rhizobium make soil fertile for plants whereas Lactobacillus bacteria help to convert milk into curd.
So we can conclude that Bacteria can be considered as a chain between animals and plants because it give benefits both plant and animal.
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Which organelle is labeled H?
cell membrane
cell wall
endoplasmic reticulum
nucleus
What happens during S Phase?
A. Cytoplasm is manufactured
B. The Cell splits in two
C. DNA separates into two nulclei
D. Chromosomes are duplicated
Which statement best describes the kinds of questions science can answer
Answer:
Science can answer only questions about the natural world.
How did dark brown skin evolve from our ancient early ancestors?
Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
Hope it helps!
A resident needs isolation precautions. Which will meet the person’s basic needs? Visiting the person as little as possible to prevent transmission Saying hello from the doorway Letting them know the scheduled for the activity room that day Getting out of the person’s room as quickly as possible
The person’s basic needs Visiting the person as little as possible to prevent transmission. Thus, option "A" is correct.
What can you do to help meet the psychosocial needs of a resident in transmission-based?Provide as much mental stimulation as possible by offering activities that the residents enjoy.
The people who are ensuring transmission-based precautions are required to feel mental peace. Mental anxiety, fear of infection, and stress can be some of the reasons for mental disturbances.
For such people, mental stimulation is necessary by allowing them to participate in recreational activities like fun indoor games.
Such activities will divert their mind from all the reasons for mental anxiety and people will feel relaxed.
Thus, option "A" is correct.
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The distractive of what cell function leads to deemitations that result in cancer
Answer:
DNA repair genes are involved in fixing damaged DNA. Cells with mutations in these genes tend to develop additional mutations in other genes and changes in their chromosomes, such as duplications and deletions of chromosome parts. Together, these mutations may cause the cells to become cancerous.
Explanation:
Cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, which indicates that cellulose is a
carbohydrate.
lipid.
nucleic acid.
protein.
Answer:
Carbohydrate
Explanation:
Cellulose is a polysaccharide composed of a linear chain of β-1,4 linked d-glucose units so it is a carbs