How Does Energy Move Through Ecosystems?

The transfer of food energy from one organism to the next in an ecological community.

• energy pyramid

• food chain

• succession

The first organisms in a food chain are _____________.

• mushrooms

• producers

• carnivores

• herbivores

Which of the following is the first level consumer?

plant- goat- hyena- mushroom

• plant

• goat

• hyena

• mushroom

In this food chain, what is the role of the rat?

• herbivore

• primary consumer

• producer

• secondary consumer

It shows how much energy passes from one organism to another up a food chain.

• food chain

• food web

• succession

• energy pyramid

It shows how food chains overlap, or shows what eats what.

• food chain

• food web

• succession

• energy pyramid

The last level in a food chain, ___________, break down the remains of dead plants and animals for energy and return nutrients to the soil.

• producers

• scavengers

• carnivores

• decomposers

Food not used for life processes is stored in producers’ tissues and passed to herbivores that eat producers.

• True

• False

The top of the energy pyramid has the most number of organisms.

• True

• False

Environmental changes can affect energy flow in an energy pyramid.

• True

• False