Question 7
FStudents investigated how the number of dandelion plants changes with distance from a footpath. Figure shows the equipment the students set up.
Figure: The equipment set up by the students on the grass beside a footpath
a.[1]
Name the sampling technique shown in Figure.
b.[3]
Describe how the students should use the equipment in Figure to collect their results.
c.[1]
Give one abiotic factor that could cause the number of dandelion plants to change with distance from the footpath.
7.2 Organisation of an ecosystem Questions
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.