11.2 Populations

Immigration means moving out of a population.

• True

• False: into

Three coyotes per square kilometer is an example of population density.

• True

• False

If foxes arrive in an area and catch and eat a large number of rabbits, the foxes are causing an increase in the birth rate of the rabbit population.

• True

• False: death rate

Sunlight can be a limiting factor for populations of plants.

• True

• False

Water and food are examples of for populations.

(a)  

The size of a population increases if the number of individuals added to the population is equal to the number of individuals leaving the population.

• True

• False: greater than

If an area has all the wolves that it can support, the wolf population has reached its .

(a)  

A population can decrease due to deaths or .

(a)  

If animals cannot find enough places to build nests, it is because (a)   is a limiting factor for the population.

If animals cannot find enough places to build nests, it is because (a)   is a limiting factor for the population.