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Theories of evolution
- Lamarck
- acquired characteristics throughout a lifetime
- eg. a giraffe stretches its neck to reach the high leaves.
- It passes this on to its children.
- changes due to the environment
- It passes this on to its children.
- much shorter process than Darwin's theory
- eg. a giraffe stretches its neck to reach the high leaves.
- at that time there was no knowledge of genes
- so it was more difficult to disprove
- but eg. bodybuilder's children
- aren't born with bigger muscles
- aren't born with bigger muscles
- but eg. bodybuilder's children
- so it was more difficult to disprove
- acquired characteristics throughout a lifetime
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