Answer:
The greatest of environmental factors on phenotype is on phenotypic plasticity, phenotypes that may change due to changes in the environment; ex: snowshoe hare have brown-colored fur in summer/spring and white fur in winter. Environmental factors may affect gene expression which may result in normal/abnormal phenotypic changes.
Explanation:
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
Answer:
neither
Explanation:
because humans are the ones that make energy available for cell activity
I believe it is the crust
The answer is D, all of the above.