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Natural selection quick check

A quick check of 3 questions. After you submit, each question shows the right answer and why.

3 of 9 questions, Advanced level. Aimed at the Advanced level, your current depth. Questions you have not answered yet come first.

Show all 9 questions

ScientistQuestion 1 of 3

In the peppered moth, the dark form has been declining in Britain since 1970, and field experiments show birds eat dark moths more often on today's less sooty bark.

AdvancedQuestion 2 of 3

Explain why the spread of antibiotic-resistant bacteria is an example of natural selection, and why it is wrong to say the antibiotic 'makes' bacteria resistant.

AdvancedQuestion 3 of 3

In evolutionary biology, which individual has the highest fitness?