Flow of Matter and Energy

What would happen to the bird population if you reduced the number of grasshoppers or caterpillars in this community?

• The bird population would increase

• The bird population would decrease

• The bird population would remain the same.

• The grasshopper and caterpillar populations would increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following statements would be true?

• If the snake population increased the grass population would increase.

• If the hawk population increases then the snake population will decrease.

• If the hawk population increases the snake population will not be impacted.

• If the bird population decreased the grasshopper population would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What would happen to the fox population if you reduce the number of rabbits or squirrels in this community?

• The fox population would increase

• The fox population would decrease

• The fox population would not be impacted

• The rabbit population would increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In an energy pyramid ______ percent of the stored energy in an organism is passed on to the next tropic level and the rest is released as ________.

• 25%, Energy

• 10%, Heat

• 10%, Light

• 50% Heat

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

If producers contained 3000 J of energy, how much energy would the secondary consumer level contain in this energy pyramid?

• 300 J

• 3 J

• 30,000 J

• 30 J

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How is a food web different from a food chain?

• Food webs contain only producers, not consumers.

• Food webs do not include decomposers.

• Food webs contain many different, linked food chains.

• Food webs exist in aquatic environments; food chains exist in terrestrial environments.

All food chains begin with a...

• Grass

• Producer

• Consumer

• Decomposer

Tags

NGSS.MS-LS1-6

Which of the following would be a producer?

• Snakes

• Eagles

• Mice

• Plants

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of frogs.

• Hawks

• Grass

• Butterflies

• Snakes

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Organisms that eat producers would be considered:

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

• Quaternary Consumers

Tags

NGSS.MS-LS2-2