Evolutionary trees show how different species have evolved ... So the question is, why? How could an animal be so precisely adapted to a particular lifestyle? The answer is natural selection.

The discovery of a billion-year-old fossil in Scotland offers exciting new insight into animal evolution, BC researcher says Loch Torridon in Scotland, where the microfossil was discovered. Photo: ...

This discovery enriches our understanding of ecdysozoan evolution and underscores the role of the fossil record in addressing key questions about early animal development. By linking nervous ...