ecosystem
All the living and non living things in an environment, including their interactions with each other
Abiotic factor
A nonliving part of an ecosystem
biotic factor
A living part of an ecosystem
Population
All the member of one species in an area
Community
All the living things in a ecosystem
ecology
The study of how a living thing and non living things interact.
habitat
The place where a plant or animal naturally lives and grows
niche
The role of an organism in an community