How does human fertilization occur?
A. Internal fertilization and internal development.
B. Internal fertilization and external development
C. external fertilization and external development
D. external fertilization and internal development
A. Internal fertilization and internal development.
B. Internal fertilization and external development
C. external fertilization and external development
D. external fertilization and internal development
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Answer:
A. is the answer
Explanation:
Internal fertilization is characterized by sperm fertilizing the egg within the female; the three methods include: oviparity (egg laid outside female body), ovoviparity (egg held within female), and viviparity (development within female followed by live birth).
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