ACA Grade 8 Science
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2.3 - Population Change Over Time

Populations change over time

Factors of Change
  • Population size changes in response to food supply, predation, the seasons, and birth rates.
 
Limiting Factor
  • A limiting factor, such as water, light, or food, can affect population survival and growth.

Carrying Capacity
  • The carrying capacity of an environment is the maximum population it can support.
  • At carrying capacity a population stops growing.
 
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