A __________ developmental stage is a solid ball of dividing cells.
A) morula
B) embryo
C) fetus
D) blastocyst
E) zygote
Correct Answer:
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Q24: Immature eggs are called
A)primordia.
B)primary oocytes.
C)lecithals.
D)corpus lutea.
E)ova.
Q25: Which of the following is a male
Q26: The hormones prolactin and oxytocin
A)induce the mammary
Q27: A high-protein fluid secreted from the mother's
Q28: The umbilical artery carries
A)wastes from the fetus,
Q30: The birth process is called
A)hatching.
B)gestation.
C)ovulation.
D)menstruation.
E)parturition.
Q31: Spontaneous activation of an unfertilized mature egg
Q32: In human females,if fertilization does not occur,
A)the
Q33: The most primitive mammals,the monotremes,are
A)oviparous.
B)parthenogenetic.
C)viviparous.
D)ovoviviparous.
E)protandric.
Q34: In humans,the growing baby,from the prenatal stage
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