Ecology Review

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What is a population?

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a group of individuals of the same species that live in the same area

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biotic

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Factors in the environment that are considered living or the remains of living things

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Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Then, the honey guide birds eat as well. This relationship best describes…

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mutualism

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Tapeworms reside in human intestine and take nutrients from the human, what relationship is this?

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parasitism

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Vines grow on a tree. The vines get light but the tree is not affected. What kind of relationship is this?

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Commensalism

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An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a: Predator, Autotroph, Producer, Decomposer

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Decomposer

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The arrows in a food chain or web represent...

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They show what direction the energy is flowing between organisms.

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90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

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heat to the environment

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What percentage of energy is passed on to the next trophic level?

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10%

Front

A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of: Parasitism, Decomposition, Commensalism, Mutualism

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Parasitism