1) Arachnids and crustaceans have 2 body parts: cephalothorax and abdomen. a) True b) False 2) They have long, thin, segmented bodies a) Insects b) Crustaceans c) Myriapods 3) They have four pairs of legs and up to eight eyes. a) Arachnids b) Insects c) Crustaceans 4) This is an external skeleton that all arthropods have. a) Cephalothorax b) Exoskeleton c) Skeleton 5) What is the largest group of invertebrates? a) Molluscs b) Echinoderms c) Arthropods 6) They are the simplest invertebrates. a) Cnidarians b) Sponges c) Annelids 7) They have a soft, jelly-like body with one openning. a) Echinoderms b) Annelids c) Cnidarians 8) They are covered by a hard, spiny skin. a) Sponges b) Echinoderms c) Annelids

Science: Invertebrates

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