Extinction (AQA GCSE Biology): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does extinction mean?
What does extinction mean?
An entire species has died out
Why do environmental changes cause extinction?
Why do environmental changes cause extinction?
Changes occur faster than adaptation
How can new predators lead to extinction?
How can new predators lead to extinction?
Species can't defend or escape them
Why are new diseases devastating for species lacking genetic diversity?
Why are new diseases devastating for species lacking genetic diversity?
No resistance alleles are present
What happens when a species faces competition from one with advantageous mutations?
What happens when a species faces competition from one with advantageous mutations?
It may be outcompeted to extinction
Which are examples of catastrophic events that can cause extinction?
Which are examples of catastrophic events that can cause extinction?
Volcanic eruptions and asteroid impacts
How quickly can catastrophic events cause extinction?
How quickly can catastrophic events cause extinction?
Instantly
What can cause habitat destruction?
What can cause habitat destruction?
Human activities or natural processes
When does habitat destruction result in extinction?
When does habitat destruction result in extinction?
If species can't migrate or adapt
Competition for what resource particularly drives extinction?
Competition for what resource particularly drives extinction?
The same food source