Question: what are the four branches of biological science?
Answer: Anatomy. Anatomy is the branch of biology that deals with the study of the structure of organisms and their parts. ... 
Biochemistry. Biochemistry is the branch of biology concerned with the chemical and physiochemical processes that occur within living organisms. ... 
Biophysics. ... 
Biotechnology. ... 
Botany. ... 
Cell Biology. ... 
Ecology. ... 
Evolution.