GCSE Biology – Ecosystems and communities

Last updated: 30/05/2020
WJEC GCSE Science – Double science foundation Classification and biodiversity GCSE Biology – Ecosystems and communities

Learning Objectives

-I can describe the levels of organisation in an ecosystem
-I can define the term community
-I can describe interdependence and competition in a community
-I can define the term ecosystem

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  1. Current
  2. Review
  3. Answered

  1. Which level of organisation contains the most organisms?

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  2. What is an organism?

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  3. What is an ecosystem?

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  4. What is an ecosystem made up of?

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  5. What is the niche of an organism?

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  6. What is a habitat?

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  7. What is a population?

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  8. Why do animals need food?

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  9. Why do animals need mates?

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  10. Why do plants need water?

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  11. Why do plants need light?

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  12. Why do plants need mineral ions?

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  13. What is a community?

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  14. What is a stable community?

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  15. What happens to population sizes in a stable community?

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  16. Why do population sizes not change in stable communities?

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  17. What is recycled within a community?

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  18. What do organisms require to survive and reproduce?

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  19. What is interdependence?

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  20. What are species dependent on each other for in a community?

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  21. What happens if one species is removed from the community?

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  22. Give an example of animals depending on other animals.

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  23. Give an example of animals depending on plants.

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  24. Give an example of plants depending on animals.

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  25. Why is there competition in communities?

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