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In any ecosystem, the size of a population
A. always stays the same.
B. only depends on the population's reproductive rate.
c. may change over time.
D. only depends on the amount of resources available.
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Respuesta :

Answer:

C

This is because there are many things that may effect an ecosystem's population, such as an introduction of a new species / predator.

Answer:

may change over time.

Step-by-step explanation: