Which of these consumers is an herbivore?

If a frog eats a grasshopper that eats grass, the frog is a

A diagram that shows the amount of energy that moves from one feeding level to another in a food web is called

In an energy pyramid, which level has the most available energy?

How much energy is passed to the next energy level when a cow eats grass?

An organism that can make its own food is called a

Which of the following is a biotic factor in the prairie ecosystem?

The place where an organism lives and that provides the things the organism needs is called its a

Which of the following is an example of a population?

The struggle for food between lions and hyenas is called

To carry out photosynthesis, algae and plants use the abiotic factors sunlight, water, and

Which of the following describes an interaction in which one animal kills and eats another?

Which of the following is an example of a predator adaptation?

When a flea is living on a dog, the dog is the

A hawk building its nest on an arm of a saguaro cactus is an example of

If a disease caused one-fourth of the deer population to die, how would the rabbit population most likely be affected?

Which of the following is not a decomposer?

What will happen to native fish if an invasive species that is better at eating the zooplankton and phytoplankton is introduced into their lake?

Hummingbirds get energy from nectar in flowers. The flowers are pollinated. They both benefit. What type of symbiosis is this?