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7.1 Adaptations, interdependence and competition

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Question 4

A student records every dandelion plant present at the same time in one grassland habitat in an urban park.

The student considers three changes to the survey.

  • Change A: record the populations of the other species in the habitat and how the species interact.
  • Change B: record the non-living surroundings and how these interact with the living organisms.
  • Change C: repeat the count of dandelion plants in the same habitat one month later.

Which row correctly shows how the student could extend the survey first to a community and then to an ecosystem?

[1]
A

Community: add change A; ecosystem: then add change B.

B

Community: add change C; ecosystem: then add change B.

C

Community: add change C; ecosystem: then add change A.

D

Community: add change B; ecosystem: then add change A.

Markscheme

7.1 Adaptations, interdependence and competition Questions

  1. GCSE
  2. /Biology
  3. /7.1 Adaptations, interdependence and competition

82 exam-style questions on AQA GCSE Biology 7.1 Adaptations, interdependence and competition, covering 7.1.1 Communities, 7.1.2 Abiotic factors, 7.1.3 Biotic factors, and 7.1.4 Adaptations. Each one has a worked solution and a mark scheme showing where the marks go.

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