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Population Dynamics
7th Grade Life Science
Question | Answer |
---|---|
A group of organisms that are the same species living together in the same area , at the same time. | population |
Occurs when individuals join a population. | immigration |
Occurs when individuals leave a population. | emigration |
The things living organisms need in order to survive in their environment. | resources (water, shelter, space, mates) |
The maximum number of individuals of one species that the environment can support. | carrying capacity |
When an environment's ability to take care of living organisms suddenly drops or decreases. | population crash |
competition | when living organisms have to "fight over" the same resources. |
Nonliving factors in an environment | abiotic |
Living factors in an environment | biotic |
Something in the environment that keeps the living organisms in check so they don't reach carrying capacity. | limiting factor |
When living organisms work together in order to survive. | cooperation |