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Edexcel IAL Biology 5.11 Population, community, habitat and ecosystem

Identify whether the prompt concerns one species, all interacting species, the place or biotic-plus-abiotic interactions before giving the contextual example.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
A2

Exam points

  • Define population as members of one species in a specified area or habitat.
  • Define community through interacting populations and habitat as the place lived.
  • Define ecosystem through organisms interacting with each other and the environment.

5.11—Population, community, habitat and ecosystem question 1

[Maximum number: 1]

The diagram shows some processes linking photosynthesis to productivity and the distribution of biomass in the trees in a forest.

Figure for Question 5.11—Population, community, habitat and ecosystem question 1 — Edexcel A-Level Biology A2

Forests are examples of ecosystems. State what is meant by the term ecosystem.

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