Populations Review

Front

Population of deer at the carrying capacity of the environment (refer to graph).

Back

70

Front

In a forest ecosystem, which of the following is NOT an example of a limiting factor that would greatly affect a rabbit population? Options: a. a rainy season, b. a disease that causes rabbits to die, c. grass available to eat, d. the population of hawks that eat rabbits

Back

a rainy season

Front

What happens to a population when it grows past the ecosystem's carrying capacity?

Back

The population starts to die off and returns to the carrying capacity.

Front

The graph to the right shows the interaction of the wolf and moose populations on Isle Pekie. If the moose population continues to increase, the wolves' food supply will increase. What will most likely happen to the wolf population as a result?

Back

It will increase.

Front

Something in the environment that keeps a population from steadily increasing is known as

Back

a limiting factor

Front

What factor most likely limits a desert's carrying capacity for plant life?

Back

the availability of water

Front

Why can't organisms produce populations of unlimited size?

Back

The resources of Earth are limited.

Front

Which factor that limits a population’s size is important especially when population numbers become large and dense?

Back

competition for food

Front

What most likely limits the population of bears in a large Maine forest with many animals and lots of space?

Back

supply of food

Front

Bacterial population change in a culture dish over two weeks with limited food supply. Why did the population first increase and then decrease?

Back

The bacteria ate all of the available food.