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Type: Multiple-Choice
Category: Conservation and Biodiversity
Level: Grade 9
Score: 1
Author: der1228
Last Modified: 1 months ago

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Conservation and Biodiversity Question

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Grade 9 Conservation and Biodiversity

Which of the following characterizes a stable ecosystem?
  1. one type of organism
  2. two types of organisms
  3. at least one type of plant and one type of animal
  4. a wide variety of organisms
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