G4 Science Review

Front

In a prairie ecosystem, birds feed on insects and snakes feed on birds. Imagine that humans began to hunt the birds in the area, and the bird population decreased. How would the snake and insect populations be affected?

Back

Snake population will go down because the food supply is smaller, and insect population will go up because they have fewer predators.

Front

What tends to happen to a population of animals when food is plentiful?

Back

the animal population increases

Front

What is necessary in order for all of the organisms in any ecosystem to survive? Options: sun, consumers, producers, decomposers

Back

sun

Front

An organism that gets energy from eating other organisms is a ______________.

Back

consumer

Front

The shrew provides energy for the _______.

Back

snake

Front

What does a food chain represent?

Back

A single path of energy transfer within a habitat.

Front

What is a producer?

Back

An organism that makes its own food.

Front

Where do the antelopes get their energy from? Options: coyotes, hawks, sun, grass

Back

grass

Front

Which is an example of a food web?

Back

Front

Wind blowing dirt and sand through the air is an example of...

Back

erosion