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Trochophore larva occurs in
  • a)
    Annelida and Porifera
  • b)
    Coelenterata and Annelida
  • c)
    Mollusca and Coelenterata
  • d)
    Annelida and Mollusca
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Trochophore larva occurs ina)Annelida and Poriferab)Coelenterata and A...
Trochophore, also called trochosphere, small, translucent, free-swimming larva characteristic of marine annelids and most groups of mollusks. Trochophores are spherical or pear-shaped and are girdled by a ring of cilia (minute hairlike structures), the prototroch, that enables them to swim. Above the prototroch is a sensory plate, an apical tuft of cilia, and an ocellus (simple eye). Below the prototroch are the mouth, stomach, anus, and other structures including the solenocyte, the function of which seems to be to maintain proper internal salt-water balance, and, in some species, one or two additional ciliary rings. In some mollusks (such as gastropods and bivalves), the trochophore develops into a second stage, the veliger (q.v.), before metamorphosing to adult form. Rotifers and the larvae (sometimes considered trochophores) of such invertebrates as phoronids and bryozoans are trochophore-like in appearance.

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Trochophore larva occurs ina)Annelida and Poriferab)Coelenterata and Annelidac)Mollusca and Coelenteratad)Annelida and MolluscaCorrect answer is option 'D'. Can you explain this answer?
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Trochophore larva occurs ina)Annelida and Poriferab)Coelenterata and Annelidac)Mollusca and Coelenteratad)Annelida and MolluscaCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Trochophore larva occurs ina)Annelida and Poriferab)Coelenterata and Annelidac)Mollusca and Coelenteratad)Annelida and MolluscaCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Trochophore larva occurs ina)Annelida and Poriferab)Coelenterata and Annelidac)Mollusca and Coelenteratad)Annelida and MolluscaCorrect answer is option 'D'. Can you explain this answer?.
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