What a Biologist does.

Biologists study organisms and their relationship to their environment
Some Biologist would do research and attempt to discover mechanism in organisms,which allows it to do a particular activity, whereas some would do research to help develop and improve medical,industrial or agricultural processes.

Famous Biologists

Werner Arber is a Biologist whose discovery led to the development of recombinant DNA technology.

His discovery saved many lives though it was a continuation of research left by many other Biologists.

To read more about many other Famous Biologist,you may try this websites,http://www.macroevolution.net/famous-biologists.html.

Biologists

A biologist is a scientist devoted to and producing results in biology through the study of life.

There are many types of biologists,even Occupations like Zoologists and Botanists are considered one of them

An academic degree is required to enter the field of biology,basically a PH.D.