What are the implications of the Cambrian Explosion for evolutionary biology?

Utility of palaeontology: Without fossils, we would never have even known that there was a Cambrian Radiation and we would have kept on believing that animals originated and diversified 700+ million years ago, as molecular clocks falsely tell us. Also included here is importance of exceptional preservation and understanding the …

Do insects have taste buds?

They don’t have “taste buds” as in vertebrates, but they do have plenty of receptors that allow them to taste. Keep in mind that generally, the taste and smell sensations are tightly-linked in insects (but it varies: bees smell much more than they taste, for example). Note that I’m basing …

How do ants navigate?

For much more information, see my dedicated article on navigation in ants. For long-distance navigation, antsĀ use their eyes – they can see the polarisation patterns produced by star-/sun-/moonlight and use them as compasses. Forest ants, who can’t see the sky, memorise the silhouette of the canopy and make a map …