Ecosystems Study Guide

A decomposer?

• Eats dead plants or animals and breaks down to put nutrients in the soil
• Eats plants or other animals for food
• Makes its own food
• Machine that gathers trash

Tags

NGSS.MS-LS2-3

A consumer?

• Makes its own food
• Eats dead plants and animals
• Eats plants and other animals for energy
• Buys toys for kids

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• decomposer

Tags

NGSS.MS-LS2-4

Animals that are being hunted and eaten by predators.

• prey
• extinct

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

• The rabbit population may increase
• The rabbit population may decrease
• The rabbit population may increase first, then decrease
• The rabbit population will remain the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A population of mice lives in a barn community. A cat population has just joined the community. What will happen?

• Mouse and cat populations both go up?
• Mouse and cat populations both go down
• Mouse population goes down as cat population goes up
• Mouse population goes up as cat population goes down

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An animal that eats only plants is an...

• carnivore
• omnivore
• herbivore
• decomposer

Plants produce their own food through...

• symbiosis

• photosynthesis

• genetics

• magic

Tags

NGSS.MS-LS1-6

All food chains begin with a...

• grass

• producer

• consumer

• decomposer

Tags

NGSS.MS-LS2-3

An omnivore is a...

• consumer that eats both plants and other animals

• consumer that eats only other animals

• consumer that eats only plants