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Maintaining Biodiversity (GCSE Biology)

The following is a GCSE Biology test covering 'Maintaining Biodiversity' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Why would a conservationist use random sampling with quadrats?
What is biological control?
What is a seed bank used for?
How does ecotourism help maintain biodiversity?
What is a captive-breeding program intended to do?
What is the main consequence of eutrophication for aquatic biodiversity?
Which of the following is a negative effect of deforestation on biodiversity?
Which approach helps fisheries remain sustainable?
Which of the following is a reason to maintain biodiversity in an ecosystem?
What is a biodiversity hotspot?
Which measure reduces the impact of invasive species on native biodiversity?