Question 7
FA student investigates how the distribution of bluebell plants changes from inside a wood out into a field.
She places a tape measure in a straight line from inside the wood, across the edge of the wood and into the field. Every 2 m along the tape measure she:
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measures the light intensity
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estimates the percentage cover of bluebells in a quadrat.
The Figure shows her results.
Figure
a.[1]
Name the sampling technique the student uses.
b.[1]
Name the apparatus the student could use to measure light intensity.
c.[2]
Use the Figure to describe how the light intensity and the percentage cover of bluebells change between 0 m and 20 m.
d.[2]
The student concludes:
'Bright light stops bluebells from growing.'
Explain why her results do not prove this conclusion.
e.[1]
Suggest why the student should take all her light intensity readings at the same time of day.
6.1 Monitoring and maintaining the environment Questions
109 exam-style questions on OCR GCSE Biology 6.1 Monitoring and maintaining the environment, covering 6.1.1 Field investigation of distribution and abundance, 6.1.2 Human interactions and biodiversity, 6.1.3 Maintaining biodiversity, and 6.1.4 Environmental change and distribution of organisms. Each one has a worked solution and a mark scheme showing where the marks go.