SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Class Anthozoa
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Class Hydrazoa
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Class Scyphozoa
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Class Cubozoa
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Detailed explanation-1: -jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria ), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species).
Detailed explanation-2: -Class Scyphozoa, an exclusively marine class of animals with about 200 known species, includes all the jellies. The defining characteristic of this class is that the medusa is the prominent stage in the life cycle, although there is a polyp stage present.
Detailed explanation-3: -jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species).
Detailed explanation-4: -The medusa is the free-swimming phase which is usually thought of as a jellyfish. This stage has a gelatinous umbrella, called a bell, with the mouth located underneath.
Detailed explanation-5: -The correct answer: c. Jellyfish belong to the Phylum Cnidaria and the Class Scyphozoa.