Branch of biology (7)
'branch of biology' is the definition.
(I know this)
This is the entire clue.
(Other definitions for ecology that I've seen before include "The environment as it relates to living organisms" , "Study of living things in relation to environment" , "Green science" , "Environmental science" , "Study of relations between organisms and their environment" .)
'branch of biology' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for anatomy that I've seen before include "mummy?" , "Bodily structure of animal or plant" , "Study of bodies" , "Study of body structure" , "The scientific study of bodily structures" .)