Food Webs, Chains, Ecological Pyramids & Symbiosis E o C prep

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

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Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

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NGSS.MS-LS2-1

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A consumer that hunts is called:

• a producer.
• an omnivore.
• a predator.
• a herbivore.

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Which of the following best describes the small bird in the food web above?

• primary and secondary consumer
• secondary and tertiary consumer
• primary consumer only
• secondary consumer only

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A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism
• competition
• predator/prey
• parasitism

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A tapeworm inside a dog is

• competition
• predation
• commensalism
• parasitism

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism

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