Edexcel GCSE Religious Studies B · 1RB0
Specification 4.3 · Paper 1, Paper 2, Paper 3
A phrase describing the greater survival and reproductive success of organisms best adapted to their environment; it is not a judgement about their moral worth.
Revise: Responses to Scientific Explanations of Human LifeThis process is often called ‘survival of the fittest’. Here, ‘fittest’ means best adapted to a particular environment, not necessarily biggest or strongest. For example, an animal whose colouring helps it avoid predators may have a better chance of surviving and reproducing.
An expression describing the greater reproductive success of organisms better adapted to their environment; ‘fittest’ does not necessarily mean strongest.