1) The shedding of an exoskeleton is called setae. a) true b) molting 2) An Antennae are sense organs some invertebrates use to respond to their environment. a) true b) body structures 3) An insects has six jointed legs and two body parts. a) true b) three c) eight 4) An octopus has ten tentacles a) true b) six c) seven d) eight 5) Corals live as a group, or mound. a) true b) colony 6) In a symbiotic relationship, both living things depend on each other. a) true b) biotic 7) The largest group of arthropods is insects. a) true b) arachnids 8) A host is an organism that attaches itself to another organism and feeds on it. a) true b) parasite 9) Most insects undergo incomplete metamorphosis. a) true b) complete 10) an outside skeleton. a) invertebrates b) exoskeleton 11) insects that live and work together a) social b) segments 12) large eyes which are made up of many small eyes. a) spiracles b) compound 13) tiny holes insects use for breathing. a) spiracles b) thorax 14) when one animal looks like another animal for protection. a) jet propulsion b) mimicry 15) an invertebrate with jointed legs. a) antropod b) thorax 16) how some invertebrates maneuver in water. a) jet propulsion b) camouflage 17) to blend in with the surroundings. a) camouflage b) exoskeleton 18) body sections of some invertebrates. a) thorax b) segments

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