All the different populations that live together in an area.
Group of organisms so similar to one another that they can breed and produce offspring and the offspring can produce offspring.
Collection of all the organisms (biotic) that live in a particular place, together with their nonliving environment (abiotic).
Made up from all of the organisms in an
ecosystem that belong to the same
The place in which an animal lives
Non-living factors in the environment (light, temperature, water, wind, soil, etc...)
Organisms living or that had once lived in the environment (mouse, clover, dead tree, etc...)
In ecology, the word describes how biological systems remain diverse and productive over time.
The variety of organisms in an ecosystem
Large geographic areas with similar climates and ecosystems (desert, tundra, etc...)
condition that restricts a population's growth, such as space, disease, and food availability
a small, particular part of a habitat in which particular organisms live; for example, beneath the bark of a tree within a forest habitat.
a stable, mature community that has reached equilibrium after having evolved through succession.
natural, gradual changes in the types of species that live in an ecosystem: often after a disturbance and can be primary or secondary
succession that occurs on surfaces where no soil exists
succession on a site where an existing community has been disrupted
living together in a close relationship that benefits both