Variation and evolution (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is evolution?
What is evolution?
Change in inherited features over time
What is a population?
What is a population?
All individuals of one species in one place
What causes most variation in populations?
What causes most variation in populations?
Combination of genes and environment
Which is an example of genetic variation?
Which is an example of genetic variation?
Natural hair colour
Which is an example of environmental variation?
Which is an example of environmental variation?
Scars
Which characteristic is caused by both genes and environment?
Which characteristic is caused by both genes and environment?
Height
In natural selection, which individuals survive and reproduce more?
In natural selection, which individuals survive and reproduce more?
The best adapted individuals
What do well-adapted individuals pass to their offspring?
What do well-adapted individuals pass to their offspring?
Advantageous alleles
Where does all genetic variation come from?
Where does all genetic variation come from?
Mutations in DNA
What effect do most mutations have on phenotype?
What effect do most mutations have on phenotype?
No effect at all
When do two populations become separate species?
When do two populations become separate species?
When they can't breed to make fertile young
In Uganda, what % of elephants were tuskless in 1930?
In Uganda, what % of elephants were tuskless in 1930?
1%