Fill-in the blank: An indicator species is a species that provides a sign, or indication, of the quality of the ecosystem's environmental conditions.
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This is not what we are looking for. An indicator species is a species whose presence, absence, or abundance reflects a specific environmental condition. This seems to fit the description. An invasive species is a species that is not native to a specific Show more…
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If you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms or can discuss organisms that occupy a specific trophic level in an ecosystem's food web. Explain why you would select these species or this trophic level.
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How are indicator species used to assess pollution levels in the environment?
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