In 2000, a council planted indigenous trees as part of a reforestation programme - Edexcel - GCSE Biology - Question 6 - 2023 - Paper 2
Question 6
In 2000, a council planted indigenous trees as part of a reforestation programme.
(a) Why were indigenous trees used instead of non-indigenous trees?
A
B
C
D
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Worked Solution & Example Answer:In 2000, a council planted indigenous trees as part of a reforestation programme - Edexcel - GCSE Biology - Question 6 - 2023 - Paper 2
Step 1
Why were indigenous trees used instead of non-indigenous trees?
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Answer
Indigenous trees were chosen because they support more native wildlife (C). This is crucial for maintaining ecological balance, as non-indigenous species may not provide the necessary habitat or resources for local fauna.
Step 2
The animal biodiversity in this reforested area was measured from 2004 to 2017.
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The data from 2010 appears anomalous, as it is significantly lower than the trend observed in the surrounding years. This outlier suggests that environmental conditions may have changed suddenly during that year.
Step 3
An explanation to include two from:
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Answer
The biodiversity would be lower (1) due to reduced food and shelter available in the area, as well as potential colder and wetter conditions that could lead to migration of animals (1).