The correct answer is option B.
This shows commensalistic relationship.
What is commensalism?
Commensalism is a biological relationship (symbiosis) in which individuals of one species profit, while those of the other species suffer neither advantages nor disadvantages.
This is in contrast to parasitism, which is related to parasitism in that the parasitoid has a free-living state and eventually kills its host rather than just damaging it, amensalism, where one is damaged while the other is unaffected, and parasitism, where one is harmed and the other benefits.
The host species, which is largely unharmed, may provide nourishment, shelter, support, or means of mobility for the commensal.
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<span>Aneurysm.
An aneurysm occurs when part of an artery wall weakens, allowing it to widen abnormally or bulge out. The causes of aneurysms are sometimes unknown. Some may be congenital, meaning a person is born with them. An aneurysm may also occur as the result of aortic disease or an injury.</span>
Answer:
B
Explanation:
They altered rocks into soil that was able to support simple plants such as grasses. This is an example of altering the environment around them to make it more habitable for other species.
