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Type: Multiple-Choice
Category: Communities, Populations, and Ecosystems
Level: Grade 6
Score: 9
Author: Stodola
Last Modified: 18 days ago

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Communities, Populations, and Ecosystems Question

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Grade 6 Communities, Populations, and Ecosystems

What is an ecosystem?
  1. something that affects a certain population
  2. all living and nonliving things in a particular area
  3. an increase in the Earth's temperature
  4. organisms that make their own food
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