Food Webs: Cycling of Matter and Flow of Energy

What happens to carbon dioxide levels in the atmosphere when we burn fossil fuels?

• carbon dioxide levels in the atmosphere rise

• carbon dioxide levels in the atmosphere fall

• carbon dioxide levels in the atmosphere stay the same

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Where do crickets get their energy?

• Cattails

• Marsh Grass

• Grasshoppers

• Shrews

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the fruit fly's highest trophic level?

• Primary

• Secondary

• Tertiary

• Quaternary

Tags

NGSS.MS-LS2-2

What organisms are at the bottom of an energy pyramid?

• Producer

• Consumer

• Decomposer

• Scavenger

Tags

NGSS.MS-LS1-6

In the food chain below, which is the producer?

grass --> mouse --> snake --> hawk

• grass

• mouse

• snake

• hawk

Tags

NGSS.MS-LS2-3

If there is 10,000 kJ of energy available in the producer population, how many kilojoules of energy would be found in the carnivore population?

• 10,000 kJ

• 1,000 kJ

• 100 kJ

• 10kJ

Tags

NGSS.MS-LS2-3

Which is the correct sequence to show how organisms live in an environment?

• decomposer -> consumer -> producer

• consumer -> decomposer -> producer

• producer -> decomposer -> consumer

• producer -> consumer -> decomposer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the primary source of energy in a food web?

• Sunlight

• Water

• Soil

• Wind

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a food web, which organism is most likely to be a decomposer?

• Fungi

• Grass

• Rabbit

• Hawk

Tags

NGSS.MS-LS2-3

Which of the following best describes the flow of energy in a food web?

• Linear

• Cyclic

• Random

• Bidirectional

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3