Difference between revisions of "Evolution by Natural Selection"
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|[[File:DesertFox.png|center|200px]] | |[[File:DesertFox.png|center|200px]] | ||
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| − | | style="height:20px; width:200px; text-align:center;" | | + | | style="height:20px; width:200px; text-align:center;" |The [[Arctic Fox]] has '''evolved''' to have thick white fur and small ears. |
| − | | style="height:20px; width:200px; text-align:center;" | | + | | 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 11:00, 29 August 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. |