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5.2 Natural selection and evolution

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Question 18

Which approach is primarily used in modern phylogenetics to determine the evolutionary relationships between different organisms?

A

Comparing environmental and habitat preferences

B

Analyzing amino acid or DNA base sequences

C

Observing behavioral interactions in the wild

D

Measuring macroscopic anatomical dimensions

Markscheme

5.2 Natural selection and evolution Questions

  1. GCSE
  2. /Biology
  3. /5.2 Natural selection and evolution

38 exam-style questions on OCR GCSE Biology 5.2 Natural selection and evolution, covering 5.2.1 Genetic variation within a population, 5.2.2 Developments in classification systems, 5.2.3 How evolution occurs through natural selection, 5.2.4 Evolution as change over time, 5.2.5 Evidence for evolution, and 5.2.6 Darwin and Wallace. Each one has a worked solution and a mark scheme showing where the marks go.

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