Changes

| style="height:20px; width:300px; text-align:center;" |The [[Dimetrodon]] became [[extinct]] long before the [[Dinosaurs]] dinosaurs even existed.| style="height:20px; width:300px; text-align:center;" |The [[Moa]] has only been [[extinct]] for about 500 years.

: Fossils [[Fossil]]s appear slightly different as you dig into older rocks. When you dig far enough the oldest fossils [[fossil]]s look very different to the modern creatures.