1. CREATIONISM - God created animals and plants
2. LAMARCK'S THEORY - 'Inheritance of Acquired Characteristics'
Characteristics are acquired during an organisms lifetime, then passed onto offspring.
E.g. A giraffe stretches its neck to reach leaves so offspring has stretched neck too
3. DARWIN'S THEORY - 'The Origin of Species by means of Natural Selection'
Populations have genetic variation due to MUTATIONS
Some variations make organism better adapted to environnement
Survival of the Fittest - these best adapted to survive, breed and pass on genes
Better adapted population forms
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