A living thing.
the type of environment in which an organism or group normally lives or occurs
a living or once living part of an organism's habitat
a nonliving part of an organism's habitat
a group of organisms so similar to one another that they can breed and produce fertile offspring
all the members of one species in a particular area
all the different populations that live together in an area
a system formed by the interaction of a community of organisms with their physical environment
The study of how living things interact with each other and their environment
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