Chapter 2.1 (Biology 8 – Biomes (International))

Ecosystems

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Chapter topics:

  1. Ecosystems
  2. Introduction
  3. What is an ecosystem?
  4. The food chain
  5. The food web
  6. Substances circulate in the ecosystem
  7. Energy flows in the ecosystem
  8. Ecological efficiency
  9. Ecological pyramids
  10. Terminology
  11. Summary

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