OESOPHAGUS STOMACH
ECHINODERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What phylum do echinoderms belong to?
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Cnidaria
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Porifiera
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Echinodermata
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Chordata
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Explanation:
Detailed explanation-1: -Echinoderms belong to the phylum Echinodermata having 5 classes namely Crinoidea (Sea lilies and Feather stars), Ophiuroidea (Brittle stars and basket stars), Asteroidea (Sea stars), Echinoidea (Sea urchins) and Holothuoidea (Sea cucumbers) (Fig. 8.11).
Detailed explanation-2: -Echinodermata: Systematics. In traditional taxonomy, there are five classes of living echinoderms: Crinoidea (sea lilies), Asteroidea (starfish), Ophiuroidea (brittle stars or snake stars), Echinoidea (sea urchins and sand dollars), and Holothuroidea (sea cucumbers).
Detailed explanation-3: -Asterias (Starfish) Echinus (Sea urchin) Antedon (Sea lily) Cucumaria (Sea cucumber) Ophiura (Brittle star)
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