Phylum Chordata Classification

2025 1 question

1. 1 Animal Kingdom Easy
   Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
   Reason (R): The members of subphylum vertebrata possess notochord, during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
   A Both A and R are true and R is the correct explanation of A B Both A and R are true but R is not the correct explanation of A C A is true but R is false D A is false but R is true
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