biotic factor
a living part of an ecosystem
a=
not (prefix)
abiotic factor
a nonliving part of an ecosystem
ecology
the study of how living things interact with each other and their environment
species
a group of organisms that are similar and reproduce to produce fertile offspring
population
all the members of one species in a particular area
community
all the different populations that live together in an area
ecosystem
all the living and nonliving things that interact in an area
habitat
where an organism lives
niche
an organism's role in an ecosystem
homeostasis
the maintenance of a stable internal condition