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Type: Multiple-Choice
Category: Communities, Populations, and Ecosystems
Level: Grade 8
Author: bbryant1961
Last Modified: 18 days ago

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Communities, Populations, and Ecosystems Question

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Grade 8 Communities, Populations, and Ecosystems

Which would be a biological indicator for an ecosystem?
  1. pH levels going up in a local pond.
  2. turbidity levels going down in a river
  3. trout populations increasing in a local river
  4. none of the above
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