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Biology Chapter 5 CF

QuestionAnswer
What is a biotic factor that affects population size? Food
As the density of a population increases, the effects of starvation and disease also often increase. There are which kind of factors? Density-dependent
The movement of organisms into a given area from another is called... Immigration
What must occur in a population for it to grow? The birthrate becomes higher then the deathrate.
As resources in a population become less available, the population... Reaches carrying capacity
Demography is the scientific study of.. Human population
About 500 years ago, the world's population started.. Growing more rapidly.
Created by: xosara24
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