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[ ] is the difference in DNA sequences between individuals of the same species.
A
The environment can alter phenotype without changing alleles.
B
Genetic variation is the difference in DNA sequences between individuals of the same species.
C
An environmental factor affecting survival or reproductive success is a selection pressure.
D
- Most organisms decompose before fossilisation.
- Geological processes can destroy fossils.
- Many fossils remain undiscovered.
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5.2 Natural selection and evolution Flashcards
21 flashcards on OCR GCSE Biology 5.2 Natural selection and evolution: the key terms, definitions and processes you need to recall for the written papers.