Cambridge IGCSE Environmental Management practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Measuring and managing biodiversity
Exam-style question
Which sampling method involves selecting locations at regular intervals along a line?.
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Flashcard 1 of 6
Question 1 of 5
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Method
The student places 10 pitfall traps randomly across the woodland. Each trap is a small container sunk into the ground to catch beetles moving on the surface. Traps are left open for 24 hours before counting the beetles caught.
Identify the independent variable in this investigation.
Aim for approximately 1 distinct marking point.
Suggest one control variable that should be kept constant to ensure a fair test.
Aim for approximately 1 distinct marking point.
Explain why the student should repeat the sampling at each location.
Aim for approximately 2 distinct marking points.
Describe one safety consideration when setting pitfall traps in the woodland.
Aim for approximately 1 distinct marking point.