Difference between revisions of "Evolution by Natural Selection"
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| style="height:20px; width:200px; text-align:center;" |The [[Desert Fox]] has '''evolved''' to have thin sandy coloured fur and very large ears. | | style="height:20px; width:200px; text-align:center;" |The [[Desert Fox]] has '''evolved''' to have thin sandy coloured fur and very large ears. | ||
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Revision as of 17:17, 20 September 2018
Key Stage 2
Meaning
Evolution means a change over time. All species on earth evolve.
About Evolution
- The different types of creatures we see today looked different millions of years ago. The creatures have evolved.
- A single animal or plant does not evolve. A whole population evolves over many generations.
- Evolution can be shown by looking at fossils of creatures that lived millions of years ago.
Examples
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| The giraffe used to have a short neck. Over many generations the population of giraffes had longer and longer necks. |
| Arctic Fox | Desert Fox |
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| The Arctic Fox has evolved to have thick white fur and small ears. | The Desert Fox has evolved to have thin sandy coloured fur and very large ears. |
<iframe width="560" height="315" src="https://www.youtube.com/embed/GhHOjC4oxh8" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>