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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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What is the best description of “background extinction”?
Which is an example of a selective pressure that can lead to extinction if populations cannot adapt?
What role do mutations play in evolution and extinction?
How does reduced population size due to human hunting or collection make extinction more likely?
What is adaptive radiation and how can it relate to extinction events?
Which process explains how organisms with advantageous heritable traits become more common in a population over many generations?
How does excessive hunting or over-exploitation of a species contribute to its extinction even when habitat remains available?
How can studying phylogenetic trees (evolutionary relationships) help conservation efforts aimed at preventing extinction?
Which term describes the complete disappearance of all members of a species from Earth?
How does climate change increase extinction risk for species adapted to narrow temperature ranges?
Why might captive breeding and reintroduction sometimes fail to prevent extinction?