Darwin's Observations (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is convergent evolution?
What is convergent evolution?
Independent development of similar traits
Which adaptation do both marsupial and placental moles share for subterranean life?
Which adaptation do both marsupial and placental moles share for subterranean life?
Powerful forelimbs with large claws
What did Darwin observe about offspring production in all organisms?
What did Darwin observe about offspring production in all organisms?
Produce far more offspring than survive
Which process contributes to intraspecific variation during sexual reproduction?
Which process contributes to intraspecific variation during sexual reproduction?
Crossing over during meiosis
Which factor specifically controls autotrophic organisms but not heterotrophic organisms?
Which factor specifically controls autotrophic organisms but not heterotrophic organisms?
Light intensity
How does natural selection operate in stable environmental conditions?
How does natural selection operate in stable environmental conditions?
Maintains existing species characteristics
What does fitness mean in biological terms?
What does fitness mean in biological terms?
Ability to survive and reproduce
Why did lighter-coloured mice survive better on light-coloured beaches?
Why did lighter-coloured mice survive better on light-coloured beaches?
Better camouflage from night predators
Why are beach mice and oldfield mice classified as the same species?
Why are beach mice and oldfield mice classified as the same species?
Can interbreed to produce fertile offspring
What did Darwin infer from observing overproduction and population stability?
What did Darwin infer from observing overproduction and population stability?
Competition for limited resources exists