Food Chains & Food Webs

Green plants are producers that begin the flow of energy between organisms in a food chain when they –

• reproduce by generating seeds.

• absorb water and nutrients from soil.

• release oxygen into the atmosphere.

• make their own food using sunlight.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Mold, fungi, and some types of bacteria are classified as decomposers. What is the role of a decomposer in a food web?

• To break down organic wastes and dead organisms.

• To use sunlight and water to produce their own food.

• To release oxygen into the atmosphere for respiration.

• To provide the energy animals need for food.

Tags

NGSS.MS-LS2-3

The diagram shows a pond food web.

What two organisms get their energy directly from insect larvae?

• Algae and minnows

• Sunfish and bass

• Minnows and sunfish

• Snails and snapper turtles

Tags

NGSS.MS-LS2-3

The diagram shows a woodlands food chain.

What is the role of the tree in the food chain?

• To make energy available directly to the hawk.

• To use the sun’s energy to produce food.

• To break down waste products left by squirrels.

• To provide a place for the hawk to build its nest.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The prairie food web illustrated here has producers and consumers.

In this food web, how many more consumers than producers are there?

• 2

• 5

• 7

• 9

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The diagram shows a food web.

What is the original source for all the energy in this food web?

• Algae

• The Sun

• Minnows

• Insect larvae

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram shows a prairie food chain.

All of the following are consumers in this food chain EXCEPT –

• snakes.

• birds

• mosquitoes.

• plants.

Tags

NGSS.MS-LS2-3

The diagram shows an incomplete food chain.

Which of the following would best complete this food chain?

• Producer

• Consumer

• Decomposer

• Animal

Tags

NGSS.MS-LS2-3

The diagram illustrates a gulf food web

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

• Otter

• Herring gull

• Blue crab

• Diamondback terrapin

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which organism in the food web would be classified as a producer?

• Deer

• Squirrel

• Plant seeds

• Field mouse

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3