Limiting Factors

Front

Limiting factors are sometimes helpful because they can keep the population from getting too large.

Back

True

Front

A snake is eaten by a hawk. The hawk is the _______.

Back

predator

Front

When there is a lack of resources such as food, water, sunlight, shelter, and space this is often called __________.

Back

limiting factors

Front

If the population of a certain predator increases, there is often _______ its prey

Back

a decrease the population of

Front

If there is more food than usual in an ecosystem, then...

Back

Populations will increase

Front

Any thing or organism that regulates the size of a population of another organism is known as __________.

Back

a limiting factor

Front

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the field?

Back

The bird population would decrease

Front

What would happen if the population of hawks suddenly increased? How would it affect the other organisms in the ecosystem?

Back

The snakes would decrease due to more hawks eating them.

Front

A relationship between two species in which one species benefits and the other is neither helped nor harmed.

Back

Commensalism

Front

What will happen if all of the frogs in a population die?

Back

The frogs' predators will decrease and the frogs' prey will increase.