Vocabulary _____Regrow lost body parts A. invertebrate _____An animal with a backbone B. vertebrate _____A slender, flexible body part used to touch, hold, or C. tentacle move _____An animal with no backbone D. segmented _____An organism that harms another organism by living E. mollusk on or in it and taking nutrients from it _____An invertebrate with jointed feet and a segmented F. arthropod body _____A hard covering that supports the body G. parasite _____Made up of similar sections H. exoskeleton _____An invertebrate with an unsegmented I. regenerate soft body, often covered by a hard shell Skeleton within an animal’s body endoskeleton Animals that have tentacles with the ability to sting cnidarians Worm with a body made from connected sections segmented Type of worm with a single opening to its digestive system flat worm Animal that is a filter feeder and has no tissues or organs sponge Worm with a tubelike body and lengthwise muscles Animal that uses a muscular foot to move round worm mollusk Largest group of arthropods and largest group of animals Animal with a jointed exoskeleton arthropod Arthropod with eight legs and no antennae Animals with spiny skin arachnids echinoderms insects