OESOPHAGUS STOMACH
ECHINODERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Asteroidea
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Ophiuroidea
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Holothuroidea
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Crinoidea
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Echinoidea
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Detailed explanation-1: -Sea daisies are members of the Echinodermata, which is the same phylum to which sea stars, sea urchins, brittle stars, crinoids and sea cucumbers belong.
Detailed explanation-2: -Today, Echinodermata is a diverse phylum, with numerous species in five classes: Asteroidea (star fish), Crinoidea (sea lilies and feather stars), Echinoidea (sea urchins and sand dollars), Holothuroidea (sea cucumbers), and Ophiuroidea (brittle stars).
Detailed explanation-3: -Members of class Asteroidea are commonly known as sea stars or starfish (though they certainly aren’t fish).
Detailed explanation-4: -The phylum echinoderms is divided into five extant classes: Asteroidea (sea stars), Ophiuroidea (brittle stars), Echinoidea (sea urchins and sand dollars), Crinoidea (sea lilies or feather stars), and Holothuroidea (sea cucumbers). The most well-known echinoderms are members of class Asteroidea, or sea stars.