Discussion Forum : Animal Kingdom
Question -
Which of the following statements is/are true?
Answer: Option D
:
D
Invertebrates or non-chordates do not possess a notochord. Their nerve cord too, is double ventral, and not dorsal hollow like that of the chordates. Vertebrata is a sub-phylum under Phylum Chordata in which, the embryoic notochord gets replaced by a bony or cartilaginous vertebral column in the adult. All vertebrates are thus, chordates, but all chordates are not vertebrates.
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:
D
Invertebrates or non-chordates do not possess a notochord. Their nerve cord too, is double ventral, and not dorsal hollow like that of the chordates. Vertebrata is a sub-phylum under Phylum Chordata in which, the embryoic notochord gets replaced by a bony or cartilaginous vertebral column in the adult. All vertebrates are thus, chordates, but all chordates are not vertebrates.
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