4-3 SOL Pass

Part of a coral reef is shown. A coral reef is

• a rock

• an ecosystem

• an ocean current

• an underwater cave

To a brook trout, a stream would be its -

• niche

• habitat

• community

• population

To the blue crab, the open bay of the Chesapeake Bay region is its -

• niche

• habitat

• community

• population

All of the populations of species in an area make up a -

• region

• niche

• family

• community

A wild turkey's forest community includes-

• insects

• rainfall

• soil

• wind

Acorn barnacles are seashore animals found on rocks. They live 1 to 2 meters above low-tide level. These rocks are the acorn barnacles' -

• ecosystem

• community

• food web

• habitat

Which of the following best describes the living and non-living parts of the diagram?

• a niche

• a community

• an ecosystem

• a biome

Which of these animals is least likely a member of the pond community?

• A. Crayfish

• B. Alligator

• C. Carp

• D. Shark

In a healthy ecosystem, many different species of animals may share the same habitat because they each have a different niche. An animal's niche is best described as-

• the role it plays in its habitat

• where it is located

• its appearance

• its ability to reproduce

Which of the following organisms provides energy for more than one organism in this food web?

• Bird

• Plant

• Fox

• Mouse