All terms in this list:

organism: a living thing.

habitat: the place where an organism lives and where it obtains all the things it needs to survive.

biotic factor: a living part of an organism's habitat

abiotic factor: a nonliving part of an organism's habitat

species: a group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce

population: all members of one species in a particular area

community: all the different population that live together in a area

ecosystem: the community of organisms in an area, along with their nonliving surroundings

ecology: the study of how living things interact with each other and their enviroment