The great horned owl has a sharp beak and claws used for catching prey and tearing meat. It has good eyesight to see in low light. Which of these most likely describes the niche of the great horned owl?

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

To a brook trout, a stream would be its —

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

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

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

A wild turkey’s forest community includes —

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

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

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 —

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

Which shows one way that energy flows to birds in this food web?

Based on the food web, which of these is a producer?

Which describes energy through this food web?

In order for energy to flow through this food web from the sun to the yellow perch, the perch must —

From where does the energy for this ocean food chain come?

In this food web, which two organisms could be harmed if the mouse population were to decline?

All of these are consumers EXCEPT a —