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7.2 Organisation of an ecosystem

7.2 Organisation of an ecosystem

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Question 1
F

A student samples a field of area 3000 m2 using a square quadrat with sides of length 0.50 m .

The student counts a total of 36 daisies in 12 randomly positioned quadrats.

What is the estimated number of daisies in the field?

[1]
A

$9000$

B

$36,000$

C

$18,000$

D

$432,000$

Markscheme

7.2 Organisation of an ecosystem Questions

  1. GCSE
  2. /Biology
  3. /7.2 Organisation of an ecosystem

40 exam-style questions on AQA GCSE Biology 7.2 Organisation of an ecosystem, covering 7.2.1 Levels of organisation, 7.2.2 How materials are cycled, 7.2.3 Decomposition, and 7.2.4 Impact of environmental change (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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