In terrestrial conditions which type fertilization is more common:
Correct answer: B. Internal
- A. External
- B. Internal
- C. Self
- D. None of these
Explanation
In terrestrial conditions, internal fertilization is more common. Internal fertilization involves the union of male and female gametes within the reproductive tract of one of the parents. This method is advantageous on land as it helps protect the gametes from desiccation and provides a more controlled environment for early development.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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