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9.1 Ecosystems and interdependence

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Question 21
H

A plant is pollinated only by one moth species. The moth feeds only on nectar from this plant. A disease greatly reduces the moth population.

Which sequence could make recovery of both populations more difficult?

[1]
A

less pollination, more plant reproduction, less nectar

B

more pollination, less plant reproduction, more nectar

C

less pollination, less plant reproduction, less nectar

D

more pollination, more plant reproduction, more nectar

Markscheme

9.1 Ecosystems and interdependence Questions

  1. GCSE
  2. /Biology
  3. /9.1 Ecosystems and interdependence

39 exam-style questions on Edexcel GCSE Biology 9.1 Ecosystems and interdependence, covering 9.1.1 Levels of organisation in ecosystems, 9.1.2 Abiotic and biotic factors, 9.1.3 Importance of interdependence, 9.1.4 Parasitism and mutualism, and 9.1.5 Determining number of organisms in an area. Each one has a worked solution and a mark scheme showing where the marks go.

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