OBJECTIVE LIFE SCIENCE
ANIMAL PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Yonge and Nicols classification applies to
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Invertebrates
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Protochordates
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Both Option 1 and Option 2
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Invertebrates, Protochordates and Chordates
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Explanation:
Detailed explanation-1: -What are Protochordates? Protochordate is an informal category of organisms to describe the invertebrates that are closely related to vertebrates.
Detailed explanation-2: -Members of these groups also possess the four distinctive features of chordates at some point during their development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Unlike vertebrates, urochordates and cephalochordates never develop a bony backbone.
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