Skip to content

Course home

Question bank·9.3 Material cycles and decomposition
Sign up

9.3 Material cycles and decomposition

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344
Question 42
H

A student compares lichen communities on similar trees at different distances from a factory.

Why should she identify the lichen species rather than record only the total lichen cover?

[1]
A

Lichen species differ in their tolerance of air pollution.

B

Lichen species all grow at the same rate at each location.

C

Lichen species all indicate the same level of air pollution.

D

Lichen species all absorb the same amount of air pollution.

Markscheme

9.3 Material cycles and decomposition Questions

  1. GCSE
  2. /Biology
  3. /9.3 Material cycles and decomposition

101 exam-style questions on Edexcel GCSE Biology 9.3 Material cycles and decomposition, covering 9.3.1 Cycling of materials through ecosystems, 9.3.2 The carbon cycle, 9.3.3 The water cycle, 9.3.4 The nitrogen cycle, 9.3.5 Indicator species and pollution, 9.3.6 Decomposition in preservation and composting, and 9.3.7 Rate changes in decay of biological material. Each one has a worked solution and a mark scheme showing where the marks go.

More questions