Question

when one organism is removed and it causes effects in the ecosystem beyond what is expected, it is known as what? immigration trophic cascade

Explanation:

Immigration refers to an organism moving into a population. A trophic cascade occurs when the removal of one organism has far - reaching effects on the ecosystem. For example, if a top predator (like wolves) is removed, it can lead to an increase in its prey (like deer), which in turn can over - graze plants, affecting the entire ecosystem structure and function.

Answer:

Trophic cascade