dm246264p77eji dm246264p77eji
  • 14-05-2018
  • Biology
contestada

vertebrates share similar embryological developmental stages as depicted in the illustration above. certain structures during development appear on all vertebrates. which structure DOES NOT appear on all vertebrate embryos?

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myranelson1k myranelson1k
  • 15-05-2018
It is B) the placenta because it is not a part of the embryological development of vertebrates like the bird and amphibians
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