ecosystem
All the living and nonliving things in an environment, including their interaction with each other.
abiotic factor
a nonliving part of an ecosustem.
biotic factor
a living part of an ecosystem.
population
a species in an area.
community
all the living things in an ecosystem.
ecology
the study of how living and nonliving things interact.
habbitat
plants or animals naturally lives and grow.
niche
organism in a community.