Matching Pairs Arthropods matchingOnline version Match the sentences about arthropods. by Evaristo Jaén García 1 The biggest group of invertebrates is 2 arthropods with more than a hundred of legs 3 Many of them have 4 Their bodies have three parts: 5 insects 6 spiders arthropods antennae and some have wings too have six legs the head, thorax and abdomen have eight legs. centipedes and millipedes.