Answer: A group of plants and animals that depend on each other for survival. If part of the eco-system changes, it affects the entire system. ... Plants could no longer grow, forcing animals to leave the area.
Explanation:
that is the answer
The opinions and prejudice of an author in writing.
I believe that those two elements greatly affect bias in history because we can never be 100% sure of everything that (may have) happened in history (especially farther in the past), so opinion can affect a historian's writings. Also, everyone is prone to some sort of prejudice, so this can also affect history.
Human migration is the movement of people from one place to another with the intention of settling in the new location. When large numbers of people relocate, historians ask questions about why these people moved and what impacts their movements had.
The mission of the U.S. Fish & Wildlife Service is to "working with others to conserve, protect, and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people."
