To help and make the genes do what they are supposed to do'
Although there are no options listed, it's almost universally correct that the thing most likely to change the gene pool of a population of chipmunks is something in their immediate environment, like a change in plant-life, predators, and/or food sources.
Those volcanoes are called seamounts. Seamounts arise in ocean seafloor. They rise at least 1000 meters, so seamounts can be found in deep sea. Most of them are made during volcanic processes.
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A) - is not true, they don't have a nucleus! In fact that's their definition: They lack nucleus, mitochondria and all other organelle too.
b) - true
c) - true!
d) true!
