BILOGICAL COMMUNITIES 2018-01-22T11:59:40+00:00

A population consists of all individuals of a single species that exist together at a given place and time. A species is a single type of organism that can interbreed and produce fertile offspring. All of the populations living together in the same area make up a community.

An ecosystem is made up of the living organisms in a community and the nonliving things, the physical and chemical factors, that they interact with. The living organisms within an ecosystem are its biotic factors . Living things include bacteria, algae, fungi, plants, and animals, including invertebrates, animals without backbones, and vertebrates, animals with backbones.

Organisms must make a living, just like a lawyer or a ballet dancer. This means that each individual organism must acquire enough food energy to live and reproduce. A species’ way of making a living is called its niche

An organism’s habitat is where it lives. The important characteristics of a habitat include climate, the availability of food, water, and other resources, and other factors, such as weather

All of the individuals of a species that exist together at a given place and time make up a population. A community is made up of all of the populations in an area.
The living and nonliving factors that living organisms need plus the communities of organisms themselves make up an ecosystem.
A habitat is where an organism lives and a niche is what it does to make a living.

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