the branch of biology dealing with the relations and interactions between organisms and their environment, including other organisms.

Also called human ecology. the branch of sociology concerned with the spacing and interdependence of people and institutions.

noun

bionomics , conservation , preservationnotes:environment emerged linked with nature , implying \'natural\' (not human , not cultural) surroundings; ecology emerged as a scientific effort to connect organisms (such as the human) to their environments