Why do spiders have eight legs?

Dave Clarke Head of invertebrates, ZSL London Zoo Eight legs might seem a bit odd to us, but with nearly 50,000 species of spider, having eight legs is a pretty popular strategy. Lots of legs can help them to grip on to surfaces and move fast, especially when spiders are navigating their complex webs. So maybe the real question should be – why do we only have two legs? Do you love animals? ZSL London Zoo’s Junior Zoo Academy is a great way to learn about creatures from all over the world. Find out more at zsl.org/experiences…

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The Week Junior (Digital) - 1 Issue, 180

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