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INVERTEBRATE STORYBOOKS BIOLOGY – 7th Grade AUTHORS’ NAMES_________________________ PERIOD____________________ INVERTEBRATE STORY BOOK VOCABULARY USE THESE WORDS ALONG WITH YOUR GRAPHIC ORGANIZER TO DEVELOP YOUR STORY. MAKE SURE YOU INCLUDE YOUR VOCABULARY WORD, HIGHLIGHT IT, AND GIVE A DEFINITION IN CONTEXT. PLEASE USE 8 – 10 VOCABULARY WORDS AND DEFINITIONS IN YOUR INVERTEBRATE STORY BOOK. Symmetry: arrangement of parts Radial Symmetry: arranged in a circle Examples: Starfish, Sea Urchins, and Sea Anemones Bilateral Symmetry: parts are mirrored images of each other Examples: Grasshoppers, Lobsters, and Butterflies Asymetrical Symmetry: Irregular in shape – Sponges Filter Feeders: Filters food out of the water and then it flows through their bodies. Flagella: Keep water and nutrients moving – small whiplike tails. INVERTEBRATE STORYBOOKS BIOLOGY – 7th Grade AUTHORS’ NAMES_________________________ PERIOD____________________ CNIDARIANS: Polyp: vase shaped body of a sea anemone Medusa: free-swimming, bell-shaped bodies Reproduce asexually by budding and sexually. WORMS: Parasitic: Feeds of their hosts because flatworms lack a digestive system. MOLLUSKS: soft bodied that some have a shell. Mantle: Thin layer that covers the mollusk’s body. Gills: Carbon Dioxide is exchanged for oxygen in the water. Open Circulatory System: do not have vessels that contain their blood instead blood washes over their organisms, which are grouped together in a fluid filled cavity. CEPHALAPODS: Closed Circulatory System: Blood carried through vessels. ARTHOPODS: Appendages: jointed feet Exoskeleton: rigid, outer covering Molting: When an arthropod loses its exoskeleton Metamorphosis: Changing from larvae to adult Closed Circulatory System