Question

what is spider

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Answer 1

Answer:

Spiders (order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. ... Unlike most arthropods, spiders have no extensor muscles in their limbs and instead extend them by hydraulic pressure.

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Answer 2

Answer: A spider is not an insect; a spider is an arachnid. Arachnids are a separate group of animals to insects. Spiders are members of the class Arachnida; insects are members of the class Insecta. On the left is a spider – a black and yellow garden spider; on the right is an insect – a snowberry clearwing moth.

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