Variation & Evolution (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is evolution?
What is evolution?
Change in inherited traits of a population
Through what process does evolution occur?
Through what process does evolution occur?
Natural selection
When did simple life forms first develop?
When did simple life forms first develop?
More than three billion years ago
What provides variation between organisms?
What provides variation between organisms?
Mutations
What happens if a mutation provides a survival advantage?
What happens if a mutation provides a survival advantage?
More likely to survive to breeding age
What happens to a beneficial mutation?
What happens to a beneficial mutation?
It is passed onto offspring
What happens to the frequency of a beneficial mutation over many generations?
What happens to the frequency of a beneficial mutation over many generations?
It increases
What is speciation?
What is speciation?
Formation of a new species
When have organisms become a new species?
When have organisms become a new species?
Can't interbreed to produce fertile offspring
According to the theory of evolution, all species evolved from what?
According to the theory of evolution, all species evolved from what?
Simple life forms