Difference between revisions of "Evolution by Natural Selection"
(→Meaning) |
(→Key Stage 3) |
||
Line 39: | Line 39: | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
− | |[[File:HumanSkullEvolution.png|center| | + | |[[File:HumanSkullEvolution.png|center|900px]] |
|- | |- | ||
− | | style="height:20px; width: | + | | style="height:20px; width:900px; text-align:center;" |This picture shows a series of human skulls starting on the left with a skull from 20 million years ago through to a modern human skull. |
|} | |} |
Revision as of 17:59, 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
The giraffe used to have a short neck. Over many generations the population of giraffes had longer and longer necks. |
Arctic Fox | Desert Fox |
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. |
Key Stage 3
Meaning
This picture shows a series of human skulls starting on the left with a skull from 20 million years ago through to a modern human skull. |