Ecology

Front

What happens to population size when birth rate is high and death rate is low?

Back

Population increases.

Front

Name two factors that increase population size.

Back

Birth Rate and Immigration.

Front

What is a limiting factor that can cause a decrease in the growth of a population?

Back

Competition for food.

Front

Which type of population is most strongly affected by competition for food?

Back

Large and dense populations.

Front

What is a density-dependent factor?

Back

A factor that has a greater effect on dense populations than on sparse populations.

Front

Give an example of a density-dependent factor.

Back

Parasitism, Predation, or Communicable disease.

Front

What is NOT an example of a density-dependent factor?

Back

The average rainfall of a region.

Front

What is a density-independent limiting factor?

Back

A factor that affects population size regardless of the population's density.

Front

Give an example of a density-independent limiting factor.

Back

Natural disasters like floods or droughts.

Front

What is the relationship between immigration and population size?

Back

Immigration increases population size.