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Chapter 4 Lesson 3
Terms from the Interactive Science Textbook.
Question | Answer |
---|---|
Cnidarian | "A radially symmetrical invertebrate that uses stinging cells to capture food and defend itself." |
Mollusk | "An invertebrate with a soft, unsegmented body; most are protected by a hard outer shell." |
Arthropod | "An invertebrate that has an external skeleton, a segmented body, and jointed appendages." |
Endoskeleton | "An internal skeleton; structural support system within the body of an animal." |
Echinoderm | "A radially symmetrical marine invertebrate that has an internal skeleton and a system of fluid-filled tubes." |
Exoskeleton | "External skeleton; a tough, waterproof outer covering that protects, supports, and helps prevent evaporation |