Ecosystems Review

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

Tags

NGSS.MS-LS2-1

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

• region

• niche

• community

• family

A fungus is found growing on dead leaves on the forest floor. The fungus is an example of a --

• decomposer

• carnivore

• predator

• producer

Tags

NGSS.MS-LS2-3

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

• deer and caterpillar

• wolf and snake

• oak and grass

• hawk and songbird

Tags

NGSS.MS-LS2-1

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Which describes energy through this food web?

• salamanders get energy from snakes and mice

• Acorns get energy from insects and pine trees

• Mice get energy from salamanders and insects.

• Snakes get energy from salamanders and mice.

Tags

NGSS.MS-LS2-3

Which of these represents a correct flow of energy based on the food web shown?

• loggerhead turtle > horseshoe crab > razor clam

• horseshoe crab > loggerhead turtle > sanderling

• diamondback terrapin > razor clam > plankton

• razor clam > horseshoe crab > sanderling

Tags

NGSS.MS-LS2-3

The plant shown grows in swamps and produces an odor similar to a skunk. Why should people preserve a plant like the skunk cabbage?

• It depends on a moist environment.

• It has a certain role in the ecosystem.

• It is prized by gardeners for its flowers.

• It has leaves that are about the same shape as each other.

Tags

NGSS.MS-LS2-1

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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?

• hunts small animals at night

• grazes on grass during the day

• comes out at dusk to sweep the sky for insects

• comes out at dawn to get worms from the ground

Which pair of organisms needs to switch places for the ocean food chain to be correct?

• phytoplankton and fish

• animal-like plankton and fish

• white shark and phytoplankton

• white shark and animal-like plankton

Tags

NGSS.MS-LS2-2

Which of these is a difference between tadpoles and adult frogs?

• Only tadpoles can swim.

• Only tadpoles can lay eggs.

• Only frogs are eaten by predators.

• Only frogs can survive on land.