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Being an aquarist

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First mammals

Being small, the secret to success

Being small was one of the key advantages for the ancestors of mammals. Palaeontologist Elsa Panciroli explains how being small contributes to larger brain proportion, keen senses and the ongoing evolutionary success of small mammals

A bicoloured shrew — an extant nocturnal mammal with conspicuous whiskers

AQA Surface area to volume ratio; Evolution may lead to speciation

Edexcel A Surface area to volume ratio; Adaptation and evolution

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Previous

Being an aquarist

Next

Using past questions and mark schemes

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