1
relating to things in the environment that are not living
2
involving, caused by, or relating to living things in the environment:
3
the number and types of plants and animals that exist in a particular area or in the world generally, or the problem of protecting this.
4
a relationship between two organism in which someone is trying to win something or be more successful than someone else.
5
damage caused to water, air, etc by harmful substances orwaste
6
all the living things in an area and the way they affect each other and the environment
7
the fact that an animal hunts, kills, and eats other animals
8
a relationship between two organisms in which they live together and benefit each other.
9
the relationship between living things and the environment, or thescientific study of this
10
a large area of land covered with swamp or marsh
