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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Extinction (GCSE Biology)

The following is a GCSE Biology test covering 'Extinction' from the broader topic Inheritance, Variation And Evolution. The test is geared towards the AQA exam board style syllabus.
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Which event is associated with mass extinctions in Earth’s history (e.g., end of the dinosaurs) and can cause many species to disappear rapidly?
How does excessive hunting or over-exploitation of a species contribute to its extinction even when habitat remains available?
Which of the following is an example of microevolution that can occur rapidly and sometimes lead to local extinction of sensitive species?
Which is an example of a selective pressure that can lead to extinction if populations cannot adapt?
Which evidence from the fossil record supports the idea of evolution by natural selection?
Which conservation approach aims to maintain whole ecosystems and the interactions that support species, reducing extinction risk?
Why is genetic variation within a species important for preventing extinction?
What is adaptive radiation and how can it relate to extinction events?
Why might captive breeding and reintroduction sometimes fail to prevent extinction?
Which human activity is a major direct cause of modern extinctions by destroying or fragmenting habitats?
How does climate change increase extinction risk for species adapted to narrow temperature ranges?