Which of the following lists the stages of prenatal development in the correct order?
A. Embryo, zygote, cleavage, morula, trophoblast, fetus
B. Zygote, morula, cleavage, embryo, trophoblast, fetus
C. Cleavage, zygote, morula, trophoblast, embryo, fetus
D. Zygote, cleavage, morula, trophoblast, embryo, fetus
E. Zygote, embryo, morula, cleavage, trophoblast, fetus
Answer: D
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a. 60% b. 54% c. 48% d. 40% e. 33%
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A fossa is a(n) ________.
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