SSC
BIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which group to these belong to? sea star, brittle star, sea cucumber, sea urchin
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Echinoderms
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Sponges
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Fish
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Mollusks
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Explanation:
Detailed explanation-1: -Additionally, sea cucumbers, brittle stars, and sea lilies, less known animals of the ocean, round out the family tree. Together, these animals make up the Echinodermata, a word with Greek origins meaning “hedgehog skin.”
Detailed explanation-2: -The echinoderms (Greek for spiny skin) include sea stars, sea urchins, feather stars, brittle stars and sea cucumbers.
Detailed explanation-3: -Starfish and brittle star belong to the Phylum Echinodermata which consists of exclusively marine organisms. They belong to two different classes as Asteroidia and Ophiuroidea, respectively.
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