Answer:
a INTERNAL FERTILIZATION
Explanation:
Human reproduction naturally takes place as internal fertilization by sexual intercourse.
- INTERNAL FERTILIZATION is the union of an egg and sperm cell during sexual reproduction inside the female body. ... For internal fertilization to happen there needs to be a method for the male to introduce the sperm into the female's reproductive tract.
- EXTERNAL FERTILIZATION happens during the process of spawning where one or several females release their eggs and the male(s) release sperm in the same area, at the same time. The release of the reproductive material may be triggered by water temperature or the length of daylight.
- Human reproduction is any form of sexual reproduction resulting in human fertilization. It typically involves sexual intercourse between a man and a woman. During sexual intercourse, the interaction between the male and female reproductive systems results in fertilization of the woman's ovum by the man's sperm.
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