Variation & Evolution (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is evolution?
What is evolution?
Change in inherited traits of a population
Which of the following evolves?
Which of the following evolves?
Populations
Which characteristic is caused by genetic factors?
Which characteristic is caused by genetic factors?
Natural hair colour
What causes most variation in a population?
What causes most variation in a population?
Combination of genes & environment
Which is an example of environmental variation?
Which is an example of environmental variation?
Language you speak
In natural selection, which individuals survive and reproduce?
In natural selection, which individuals survive and reproduce?
Those better suited to their environment
Where does all genetic variation come from?
Where does all genetic variation come from?
Mutations
How do mutations occur?
How do mutations occur?
Randomly all the time
When have two populations become separate species?
When have two populations become separate species?
Can't breed to produce fertile offspring
Why did tuskless elephants become more common in Uganda?
Why did tuskless elephants become more common in Uganda?
Tusked elephants killed by poachers