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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 human activity is a major direct cause of modern extinctions by destroying or fragmenting habitats?
Which type of speciation occurs when geographic isolation (e.g., a mountain range or river) separates populations leading to reproductive isolation?
Why might captive breeding and reintroduction sometimes fail to prevent extinction?
What role do mutations play in evolution and extinction?
Why can small isolated populations on islands be especially vulnerable to extinction?
Which is an example of a selective pressure that can lead to extinction if populations cannot adapt?
Which international list or system is commonly used to classify species by their risk of extinction (e.g., endangered, vulnerable)?
Why is genetic variation within a species important for preventing extinction?
Which conservation action directly increases genetic diversity of an endangered population and may reduce extinction risk?
How can invasive non-native species increase the risk of extinction for native species?
How does reduced population size due to human hunting or collection make extinction more likely?