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Biology 13 Online
OpenStudy (carniel):

Which is the definition of an embryo?Select one of the options below as your answer: A. Prenatal stage of a human up to 8 weeks of development after fertilization. B. Prenatal stage of a human beyond 8 weeks of development after fertilization. C. Prenatal stage of a human up to 9 months of development after fertilization.

OpenStudy (anonymous):

A, after that it's called a fetus.

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