Evolution is a change in the inherited characteristics of a population over time.
Name the process by which evolution takes place.
Complete the sentence.
Two populations may become so different in phenotype that they can no longer interbreed to produce fertile offspring. Two new _____ have then formed.
44 exam-style questions on AQA GCSE Biology 6.2 Variation and evolution, covering 6.2.1 Variation, 6.2.2 Evolution, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, and 6.2.5 Cloning. Each one has a worked solution and a mark scheme showing where the marks go.