Ecology Vocab Quiz #2

What is Commensalism?

• A relationship where both species are harmed

• A relationship where one organism benefits and the other is unaffected

• A relationship where both species benefit

• A relationship where one benefits and the other is harmed

What does the term 'Food chain' refer to?

• A system of interlocking and interdependent food chains

• A series of steps in an ecosystem where only animals transfer energy

• A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

• A diagram that shows the amount of energy that moves from one feeding level to another

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Which term describes a symbiotic relationship where both species benefit?

• Parasitism

• Commensalism

• Mutualism

• Predator

What is an Autotroph?

• An organism that hunts other organisms for food

• An organism that is killed and eaten by another organism

• An organism that makes its own food also known as a producer

• An organism that eats only plants

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What is the role of a Decomposer in an ecosystem?

• An organism that eats only animals

• An organism that makes its own food

• An organism that breaks down and obtains energy from dead organic matter

• An organism that feeds on the bodies of dead organisms

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What does an Energy pyramid represent?

• A series of steps in an ecosystem where only plants transfer energy

• A consumer that eats only plants

• A diagram that shows the amount of energy that moves from one feeding level to another in a food web

• Each step in a food chain or food web

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Which of the following is a Heterotroph?

• An organism that makes its own food

• An organism that obtains energy from the foods it consumes; also called a consumer

• An organism that feeds on the bodies of dead organisms

• An organism that eats both plants and animals

What is a Scavenger?

• A consumer that eats only plants

• An organism that makes its own food

• An organism that hunts other organisms for food

• A carnivore that feeds on the bodies of dead organisms

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What is the definition of a Trophic level?

• A diagram that shows the amount of energy that moves from one feeding level to another

• An organism that eats only animals

• Each step in a food chain or food web

• A consumer that eats only plants

A series of interlocking and interdependent food chains

• Food Web

• Spider Web

• Web Chain

• Food Net

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