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9.1 Ecosystems and interdependence

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Question 19
F

Ten randomly placed quadrats each have an area of 0.25 m2. They contain a total of 30 plantains. The lawn has an area of 80 m2.

What is the estimated number of plantains in the lawn?

[1]
A

240240240

B

320320320

C

960960960

D

960096009600

Markscheme

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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