Unit 4 Sci Pretest Berger

Which is a nonliving part of an ecosystem?

• fish

• snail

• water

• lilypad

Tags

NGSS.MS-LS2-3

Sasha made a model of a food chain. The living things in her food chain were a cricket, a frog, a snake, and a hawk. Which is missing from the model of Sasha's food chain?

• prey

• consumer

• producer

• food source

Tags

NGSS.MS-LS2-3

Which organism would be found at the bottom of a food pyramid?

• bee

• robin

• snake

• flower

Which kind of diagram shows how much energy passes along as one organism consumes another?

• decomposition

• energy pyramid

• food chain

• food web

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does a food web show?

• what food organisms eat

• why organisms find food

• how predators catch prey

• when organisms see food

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which is an example of a decomposer?

• grass

• a bird

• a snake

• a mushroom

Tags

NGSS.MS-LS2-3

Newly introduced plants compete with native plants for resources. Which statement describes what is likely to happen to native plants that compete with fast-growing newly introduced plants?

• Their numbers will decrease.

• Their numbers will stay the same.

• Their numbers will increase slightly.

• Their numbers will increase greatly.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which description is of a producer?

• an animal that eats only plants

• the process plants use to make food

• a living thing that makes its own food

• a living thing that eats other living things

Tags

NGSS.MS-LS1-6

In this food web, from where does the frog get matter?

• from the fish

• from the snail

• from the grass

• from the grasshopper

Tags

NGSS.MS-LS2-3

What role do nonliving things play in an ecosystem?

• They are food for the plants and animals.

• They prevent competition among populations.

• They determine which plants and animals can live there.

• They help control the effect humans might have on the ecosystem.

Tags

NGSS.MS-LS2-3