dm246264p77eji dm246264p77eji

14-05-2018
Biology

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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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