Difference between revisions of "Evolution by Natural Selection"

Revision as of 10:49, 29 August 2018

Evolution means a change over time. All species on earth evolve.

Singular Noun: Evolution

Plural Noun: Evolution

Verb: To evolve

Adjective: Evolved

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.


The giraffe used to have a short neck. Over many generations the population of giraffes had longer and longer necks.

@@ Line 11: / Line 11: @@
 : 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 [[generation]]s.
+: '''Evolution''' can be shown by looking at [[fossil]]s of creatures that lived millions of years ago.
 ===Examples===
+{| class="wikitable"
+|-
+|[[File:GiraffeEvolution.png|center|200px]]
+|-
+| style="height:20px; width:200px; text-align:center;" |The giraffe used to have a short neck. Over many generations the population of giraffes had longer and longer necks.
+|}
+{| class="wikitable"
+|+Millions of years ago the arctic fox and the desert fox were the same species.
+| style="height:20px; width:200px; text-align:center;" |Arctic Fox
+| style="height:20px; width:200px; text-align:center;" |Desert Fox
+|-
+|[[File:ArcticFox.png|center|200px]]
+|[[File:DesertFox.png|center|200px]]
+|-
+| style="height:20px; width:200px; text-align:center;" |Text
+| style="height:20px; width:200px; text-align:center;" |Text
+|}