Answer:
<h3>Biologists study humans, plants, animals, and the environments in which they live. They may conduct their studies--human medical research, plant research, animal research, environmental system research--at the cellular level or the ecosystem level or anywhere in between.</h3>
Answer - A
The environment movement is basically a conservation movement aimed at encouragement of wise use of natural resources and conservation of the plants and the natural habitat.
<span> B. A mutation can result in a change of function. </span>Not all mutations can cause negative effects, but a single mutation is capable of causing profound effect on the physiology and cellular structure of organisms. It can alter the function of proteins causing permanent diseases.
