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 does speciation mean?
What does speciation mean?
Formation of new species
How does speciation occur over time?
How does speciation occur over time?
Gradually over many generations
What is the first step in forming new species?
What is the first step in forming new species?
Geographical isolation
Which is an example of geographical isolation?
Which is an example of geographical isolation?
Volcanic eruptions splitting populations
What causes different characteristics in separated populations?
What causes different characteristics in separated populations?
Natural selection in different places
What is the key test for whether two populations are separate species?
What is the key test for whether two populations are separate species?
Cannot produce fertile offspring
When did Alfred Wallace publish work with Darwin?
When did Alfred Wallace publish work with Darwin?
1858
What is the Wallace effect?
What is the Wallace effect?
Hybrids less adapted than parents
What else did Wallace study besides evolution?
What else did Wallace study besides evolution?
Warning colours in toxic animals
What does adaptive radiation mean?
What does adaptive radiation mean?
One species evolving into multiple
Why did birds in New Zealand evolve to be flightless?
Why did birds in New Zealand evolve to be flightless?
No natural predators present
What happens in the final step of speciation?
What happens in the final step of speciation?
Populations become separate species