biologist

n. one who studies life, one who works in biology

A biologist is a scientist devoted to and producing results in biology through the study of organisms. Typically biologists study organisms and their relationship to their environment. Biologists involved in basic research attempt to discover underlying mechanisms that govern how organisms work. Biologists involved in applied research attempt to develop or improve medical, industrial or agricultural processes. Some biologists work in management positions coordinating or supervising research. Technicians perform specialized tasks using laboratory equipment. (U.S. Department of Labor.)
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(n.)
A student of biology; one versed in the science of biology.
  

Noun
1. (biology) a scientist who studies living organisms
(synonym) life scientist
(hypernym) scientist, man of science
(hyponym) bacteriologist
(classification) biology, biological science