Ecology - Biodiversity and Symbiosis

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What is a vertebrate?

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An animal that has a spinal cord or backbone

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Where does the energy from an ecosystem come from? Options: Trees, Sun, Plants, Water

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Sun

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Biodiversity, aka biological diversity, usually refers to

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the number of different species in a given area

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A species that is likely to become extinct if protective measures are not taken immediately is known as

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endangered species

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A species that is not native to a particular region and has no natural predators and little competition.

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invasive species

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Cattle egrets forage in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not. Options: mutualism, commensalism, competition, parasitism

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commensalism

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A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. What type of relationship do they have? Options: mutualism, parasitism, commensalism, competition.

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parasitism

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What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. Options: commensalism, mutualism, parasitism, predation

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mutualism

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Which symbols best describe parasitism? Options: +,+, +,-, +,0, -,0

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+,-

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Red-billed oxpeckers feeding on parasites that infest impala is an example of: commensalism, mutualism, neutralism, competition.

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mutualism