Asymmetry: why it exists in animals
Jun 30, 2022
2 minutes
WITH EVOLUTIONARY BIOLOGIST JV CHAMARY
LL BUT THE SIMPLEST ANIMALS have a body with two distinct sides – one left and one right – that are roughly mirror images, at least in the embryo. That ‘bilateral symmetry’ can even be seen in starfish, before the larvae develop into adults with multiple arms radiating from the centre (‘radial symmetry’). But while left and right may look similar, the
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