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what is an animal

Lesson 3

QuestionAnswer
cnidarian Invertebrates that have stinging cells and take food into a central body cavity
Mollusk Invertebrates with soft unsegmented bodies that are often protected by a hard shell
Arthropod invertebrates that have hard outer coverings segmented bodies and pairs of jointed appendages
Exoskeleton Outer covering
Echinoderm Invertebrate with a internal skeleton and a system of fluid filled tubes
endoskeleton Inner covering
Created by: ajenkins3185
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