OCR A Level Biology B (Advancing Biology)
OCR A Level Biology B (Advancing Biology) The Development of Species: Evolution and Classification Exam Questions
Free OCR A Level Biology B (Advancing Biology) exam questions on The Development of Species: Evolution and Classification, with mark schemes. Covers variation, natural selection, speciation and classification.
The Development of Species: Evolution and Classification exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
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A Level Biology Flashcards
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About OCR A Level Biology B (Advancing Biology) The Development of Species: Evolution and Classification
This topic covers evolution and classification.
What you need to know
- Variation Genetic and environmental causes.
- Natural selection Selection pressures and adaptation.
- Speciation Allopatric and sympatric speciation.
- Classification Taxonomy, phylogeny and the three domains.
Common mistakes in The Development of Species: Evolution and Classification
- Saying organisms adapt deliberately.
- Confusing phylogeny and taxonomy.
- Forgetting isolation is needed for speciation.
Try three The Development of Species: Evolution and Classification exam-style questions
1. Define a species. (1 mark)
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Organisms that can interbreed to produce fertile offspring.
2. Explain sympatric speciation. (2 marks)
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Populations in the same area become reproductively isolated (1), for example by behaviour or polyploidy (1).
3. State the three domains. (1 mark)
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Archaea, Bacteria and Eukarya.
The Development of Species: Evolution and Classification FAQs
What does this topic cover?
Variation, natural selection, speciation and classification.
What evidence supports evolution?
Fossils and DNA comparisons.
What is a phylogenetic tree?
A diagram showing evolutionary relationships.
Revise this topic with flashcards: A Level Biology Flashcards, with mark scheme answers for Anki and Quizlet.
