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Population Level

Across
Third level of ecology.
First level of ecology.
What contributes to population size?
Unrestricted growth of a population.
Living components of the environment.
Nonliving factors.
Fourth level of ecology.
Number of individuals born in a given time period.
Down
Birth rate minus death rate.
Maximum number of individuals that an environment can support given its space and resources.
Total number of individuals in a population.
Second level of ecology.
Number of individuals who died in a given time period.
Starts off fast then levels off.
Study of the interactions among organisms and between organisms and their nonliving environment.