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Sustainable Ecosystems and Stewardship · Term 1

Community Interactions: Symbiosis

Investigating mutualism, commensalism, and parasitism and their ecological roles.

Key Questions

  1. Compare the benefits and costs for organisms in mutualistic, commensalistic, and parasitic relationships.
  2. Explain how symbiotic relationships contribute to ecosystem stability.
  3. Analyze a real-world example of symbiosis and its impact on the involved species.

Ontario Curriculum Expectations

HS-LS2-2
Grade: Grade 9
Subject: Science
Unit: Sustainable Ecosystems and Stewardship
Period: Term 1

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