Speciation (AQA GCSE Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is speciation?
What is speciation?
Process by which new species arise
What defines the formation of a new species?
What defines the formation of a new species?
Cannot interbreed for fertile offspring
What did Alfred Russel Wallace co-develop?
What did Alfred Russel Wallace co-develop?
Theory of evolution by natural selection
What did Wallace and Darwin publish together?
What did Wallace and Darwin publish together?
Joint studies on natural selection
When was 'On the Origin of Species' published?
When was 'On the Origin of Species' published?
1859
What did Wallace research to further understanding of natural selection?
What did Wallace research to further understanding of natural selection?
Warning coloration in animals
What is the first step in the speciation process?
What is the first step in the speciation process?
Genetic variation within population
What happens to advantageous alleles during natural selection?
What happens to advantageous alleles during natural selection?
They become more common in population
What prevents isolated populations from breeding with the original?
What prevents isolated populations from breeding with the original?
Physical barriers like mountains/rivers
What is divergent evolution in speciation?
What is divergent evolution in speciation?
Different alleles favoured in new habitat
What increases during genetic divergence?
What increases during genetic divergence?
Genetic differences between populations
What marks the emergence of a new species?
What marks the emergence of a new species?
Cannot interbreed for fertile offspring