eli5- Why do insects and arachnids like a praying mantis and spiders kill the one they mate with?

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eli5- Why do insects and arachnids like a praying mantis and spiders kill the one they mate with?

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Anonymous 0 Comments

it’s not personal, you personalize it cos you’re human. they need energy and can eat them to survive and so they do. it’s more about efficiency of the species continuing. he’s done his bit, no reason to keep him around wasting resources.

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