Which of the following is a group of primitive vertebrates having a large jawless sucking mouth, no limbs or paired fins and a completely cartilaginous skeleton with a persistent notochord?
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Q:
Which of the following is a group of primitive vertebrates having a large jawless sucking mouth, no limbs or paired fins and a completely cartilaginous skeleton with a persistent notochord?
- 1Cyclostomatatrue
- 2Aschelminthesfalse
- 3Hemichordatafalse
- 4Arthropodafalse
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