Organisms that obtain energy by feeding on other organisms

Organisms that break down wastes and dead organisms and return the raw materials to the environment

Consumers that eat only plants

Consumers that eat only animals

Consumers that eat both plants and animals

Consumers that feed on the bodies of dead organisms

A food _______ is a series of events in which one organism eats another and obtains energy.

A food _______ consists of many overlapping food ________.

As you work your way up the energy pyramid, what happens to the energy?

In the food web above, what organism is missing from this food chain:

Grass --> Slug --> ________ --> Hawk

In the energy pyramid, what is the bottom level composed of?

In the energy pyramid, what comes after the producers?

A(n) _____________ is a diagram that shows the amounts of energy that flow through each level of a food chain.

The organisms at the top of the energy pyramid have the ________ amount of energy.

Organisms use most of their energy to _________ and do activities.

Producers, at the bottom of the energy pyramid, receive most of all their energy from the________.

In an energy pyramid, only _______ of the energy at any level is ever passed on to the next level.

Since consumers usually eat many kinds of other organisms, the best way of fully describing energy flow in an ecosystem is by the use of a __________ which combines many food chains into one picture.

Energy can neither be created nor destroyed; energy can only be transferred or changed from one form to another.