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→Key Stage 3
|[[File:GiraffeEvolution4.png|center|300px]]
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| style="height:20px; width:200px; text-align:center;" |This process of '''evolution by [[Natural Selection|natural selection''' ]] is repeated again and againcausing a gradual [[evolution]].
| style="height:20px; width:200px; text-align:center;" |Millions of years later, after many generations, eventually all the [[Giraffe]] had very long necks.
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