5 L 2

Which aquatic system listed below is an example of brackish water?

• Lake

• Pond

• Ocean

• Estuary

living things that make their own food

• producer

• consumer

• decomposer

Tags

NGSS.MS-LS1-6

What is the producer's role in a food chain?

• To make their own food using the sun's energy

• To hunt other animals for food.

• to break down waste and dead plants

• to eat both plants and animals

Tags

NGSS.MS-LS2-3

What model is used to show how food chains connect to one another?

• energy pyramid

• food web

• ecosystem drawing

• herbivore

Tags

NGSS.MS-LS2-3

.................. is the movement of worn-away rocks or soil.

• Resource

• Erosion

• Competition

Tags

NGSS.MS-ESS2-2

Why do young trees compete with each other in their environment?

• They need the same resources to survive.

• Some of the trees do not belong in that environment.

• There is too much light for all of them.

• There is too much space for all of them.

Tags

NGSS.MS-LS2-1

Which organism is a producer?

• apple tree

• butterfly

• mushroom

• fox

Tags

NGSS.MS-LS2-3

In a food chain hawks consume snakes and mice. If the mouse population stays the same, but the snake population decreases, what could happen to the number of foxes?

• The number of foxes could decrease because they will eat fewer mice

• The number of foxes could increase because they will only have mice to

  eat.

• The number of foxes could decrease because they will compete more for

  available food.

• The number of foxes could increase because they will compete less for

  available food.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A local park has a lake with green algae floating in it. What is the role of the algae in this aquatic ecosystem?

• decomposer

• omnivore

• consumer

• producer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which is an example of a consumer eating another consumer in an grassland ecosystem?

• fox eating a rabbit

• rabbit eating grass

• earthworm eating decaying leaves

• mouse eating seeds

Tags

NGSS.MS-LS2-3