Biology Semester 1 Review

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What is a Primary Consumer?

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A Primary Consumer is an organism that eats producers (plants) to obtain energy.

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What is a Secondary Consumer?

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A Secondary Consumer is an organism that eats primary consumers (herbivores) to obtain energy.

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What is a Tertiary Consumer?

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A Tertiary Consumer is an organism that eats secondary consumers and is often at the top of the food chain.

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What is a Producer?

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A Producer is an organism that can make its own food through photosynthesis, typically plants.

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What is a Carnivore?

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A Carnivore is an animal that gets energy by eating other animals.

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What is a Herbivore?

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A Herbivore is an animal that gets energy by eating only plants.

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What is a Decomposer?

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A Decomposer is an organism that breaks down dead organic material, returning nutrients to the ecosystem.

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What is Mutualism?

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Mutualism is a symbiotic relationship where both species benefit from the interaction.

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What is Commensalism?

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Commensalism is a symbiotic relationship where one species benefits and the other is neither helped nor harmed.

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What is Competition in ecology?

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Competition occurs when two or more species compete for the same resources in an ecosystem.