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