Science Ecology

In an ecosystem, beetles eat grain, and lizards eat the beetles. Which statement is true?

• Beetles are carnivores.

• Beetles are producers.

• Lizards are decomposers.

• Lizards are consumers.

What is pictured in the diagram?

• A food web

• A food chain

• An energy pyramid

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What do the arrows show in this food chain:

• The arrow points from the organism being eaten to the organism that eats it.

• The arrow points from the organism that eats it to the organism that is being eaten.

• The arrow points from biggest animal to smallest animal.

• The arrow points from the consumers to the producers.

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What is the producer in this food chain?

• Phytoplankton

• Krill

• Fish

• Shark

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As you move up a food chain, the amount of energy stored....

• Increases

• Decreases

• Stays the same

• It depends on the ecosystem

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Arrows in a food web show the flow of

• energy

• protein

• nutrients

• glucose

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Multiple food chains that interact together are called a ....

• Spider Web

• Food Spider

• Food Web

• Web of Food

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What do decomposers do?

• feed off of dead or decaying organisms

• feed off of living organisms

Which animal would be most affected if the dragonfly were to die off due to a parasite?

• Thrush bird

• snake

• the flowering plant

• wolf

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_____________________________________ happens among animals who need food, shelter or mates.

• Adaptation

• Parasitism

• Competition