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9.1 Ecosystems and interdependence

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Question 4

A survey of a woodland floor uses eight quadrats, each with an area of 0.25 m2.

The mean population density is 14 woodlice per m2\mathrm{m}^2m2.

What total number of woodlice would be expected in the eight quadrats?

[1]
A

3.5 woodlice3.5\text{ woodlice}3.5 woodlice

B

28 woodlice28\text{ woodlice}28 woodlice

C

56 woodlice56\text{ woodlice}56 woodlice

D

14 woodlice14\text{ woodlice}14 woodlice

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9.1 Ecosystems and interdependence Questions

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

82 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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