The intertidal zone is

an example of a non-reusable resource

The study of natural processes in the environment and how humans can affect them is

The process of cutting down all the trees in an area at once is

Raising fish and other water-dwelling organisms for food is called

A species that plays a particularly important role in its ecosystem is a

produces crystals that protect the Pacific yew tree; it is used as a cancer treatment.

fossil fuel

nuclear fission

nuclear fusion