Arachnids
Almost all adult arachnids have eight legs, and arachnids may be easily distinguished from insects by this fact, since insects have six legs. However, arachnids also have two further pairs of appendages that have become adapted for feeding, defense, and sensory perception.
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ReplyDelete1. They are joint legged
ReplyDelete2. They are terrestrial
3. Arachnids do not have antennae or wings