that’s not what the textbooks say should happen!

 Islands can be home to rare and unusual species, which have often evolved in isolation for extremely long periods of time. On many – particularly oceanic islands – there may be no native land mammals, except, perhaps for bats. So when mammalian predators do make it to these islands the effects can be devastating. (Incidentally, […]

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the consequences of vision

You learn something new every day. One of the big talking points in palaeontology is the ‘Cambrian explosion’ – the seemingly rapid appearance (over ‘just’ a few million years!) of complex animal life, which occurred around 490-540 million years ago. Discussion ranges over the causes of this diversification and whether the apparent ‘explosion’ really happened […]

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