4.9AB: Producers, Consumers, and Food Webs
Organisms and Environments
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Plants get their food by —
A
making it from sunlight
B
eating animals or insects
C
absorbing it from the soil
D
taking nutrients from the air
Food webs begin with energy supplied by –
A
the Sun
B
the Moon
C
Earth’s core
D
green plants
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4.9AB: Producers, Consumers, and Food Webs
Organisms and Environments
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In order to make their own food, plants need sunlight, water, and which
gas from the atmosphere?
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A
Argon
B
Nitrous oxide
C
Oxygen
D
Carbon dioxide
The diagram illustrates a gulf food web.
The herring gull depends directly on all of the following organisms for
food EXCEPT –
A
blue crab
B
grass shrimp
C
diamondback terrapin
D
sheepshead minnow
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4.9AB: Producers, Consumers, and Food Webs
Organisms and Environments
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The flow of energy in a prairie food web is shown in the diagram.
If a highway were built through the middle of the prairie that destroyed
most of the grass, what might be the effect on other organisms?
A
Snakes would be forced to eat more mice.
B
Deer would move elsewhere to find food.
C
Mountain lions would hunt more squirrels.
D
Robins would eat a different food than squirrels.
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