CLASSIFICATION
NINE COMMON ANIMAL PHYLA
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Question
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An invertebrate that has an external skeleton made of chiton, a segmented body, and jointed appendages.
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echinoderm
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cnidarian
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arthropod
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segmented worm
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Explanation:
Detailed explanation-1: -An arthropod is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. They are characterized by the cuticle made of chitin, often mineralized with calcium carbonate.
Detailed explanation-2: -Arthropods (/ˈɑːrrəpɒd/, from Ancient Greek (arthron) ‘joint’, and (pous) ‘foot’ (gen.
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