Wolves of Yellowstone 1

What is an apex predator?

• An organism that feeds on grass

• A species with a disproportionately large effect on its environment

• A top-level predator with no natural predator of their own

• An organism that eats the shoots, leaves, and twigs of trees or shrubs

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What is the definition of browsing?

• The act of eating shoots, leaves, and twigs of trees or shrubs

• The home or environment of a plant, animal, or other organism

• A trophic cascade that occurs when the impact of a predator on its prey affects one or more feeding or trophic level

• An organism that feeds on grass

What is a keystone species?

• A species that eats the shoots, leaves, and twigs of trees or shrubs

• A species that has a disproportionately large effect on its environment compared to its relative abundance

• An organism that feeds on grass

• A top-level predator with no natural predator of their own

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What is a trophic cascade?

• The act of eating shoots, leaves, and twigs of trees or shrubs

• The home or environment of a plant, animal, or other organism

• A process that occurs when the impact of a predator on its prey affects one or more feeding or trophic level

• An organism that feeds on grass

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How can the removal of an apex predator affect the populations at the trophic level below?

• It can decrease the abundance of the prey's prey

• It has no effect on the trophic levels below

• It can increase the abundance of the prey's prey

• It can only affect the same trophic level

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Which animal is the apex predator?

• hawk
• lizard
• snake
• grass

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In the energy pyramid here, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

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What is an ecosystem?

• The interactions among living and non-living things in an environment.

• A type of organism that can only be seen with a microscope.

• A bunch of moving parts that do work.

• The newest craze in social media.

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