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#Question id: 8902


What do craniates have that earlier chordates did not have?

#Unit 9. Diversity of Life Forms
  1. brain
  2. vertebrae
  3. post-anal tail
  4. partial or complete skull

Answer:- Option(s): 4


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#Unit 5. Developmental Biology

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#Unit 5. Developmental Biology

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#Question id: 7070

#Unit 5. Developmental Biology

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#Question id: 7071

#Unit 5. Developmental Biology

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#Question id: 7072

#Unit 5. Developmental Biology

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#Question id: 7073

#Unit 5. Developmental Biology

The cell migrations that form the primitive streak thus appear to be regulated by:

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