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Type: Multiple-Choice
Category: Communities, Populations, and Ecosystems
Level: Grade 6
Score: 2
Author: greenerkim
Last Modified: 16 days ago

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Communities, Populations, and Ecosystems Question

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Grade 6 Communities, Populations, and Ecosystems

What sphere includes all the living organisms on Earth?
  1. biosphere
  2. cryosphere
  3. geosphere
  4. hydrosphere
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