ecosystem
all living and non living thing 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 members of one species in an area
community
all living things in an ecosystem
ecology
The study of how living and nonliving things interact
habitat
The place where a plant or animal naturally lives and grows
niche
The role of an organism in a community