Species Category Flashcard

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What is a keystone species?

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A keystone species is an organism that has a disproportionately large effect on its environment relative to its abundance. Its removal can lead to significant changes in the ecosystem.

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What is a host species?

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A host species is an organism that provides food and shelter for other animals, playing a crucial role in the ecosystem.

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What are keystone species known for?

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Keystone species are known for their critical role in maintaining the structure of an ecological community. Their removal can lead to a cascade of negative effects.

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What is an endangered species?

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An endangered species is a species that is at risk of extinction due to a rapid decrease in population or habitat loss.

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What is a threatened species?

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A threatened species is one that is likely to become endangered in the near future.

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What is an invasive species?

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An invasive species is a non-native species that spreads widely in a new habitat and can cause harm to the environment, economy, or human health.

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What is a native species?

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A native species is a species that originates and is naturally found in a particular region or ecosystem.

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What is a predator?

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A predator is an organism that hunts and eats other organisms (prey) for food.

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What is prey?

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Prey are organisms that are hunted and eaten by predators.

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What is a mutualist species?

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A mutualist species is an organism that engages in a mutually beneficial relationship with another species, where both parties gain benefits.