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Biology 10 Online
OpenStudy (carniel):

What is the characteristic of the gastrula stage of embryo development?Select one of the options below as your answer: A. Formation of the neural tube and nervous system B. Formation of the three germinal layers and the primitive gut C. Formation of the amniotic cavity and archenteron

OpenStudy (anonymous):

I would assume B.

OpenStudy (anonymous):

its b , im sure (:

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