Differentiate between internal fertilization and external fertilization.
The differences between internal fertilization and external fertilization are:
i. Internal fertilization takes place inside the body of the female while the external fertilization takes place outside the body of the female.
ii. In case of internal fertilization sperms are ejaculated in female’s body by the male. In external fertilization sperms are discharged outside the body of the female.
What is metamorphosis? Give examples.
In which female reproductive organ does the embryo get embedded?
Define asexual reproduction. Describe the two methods of asexual reproduction in animals.
Give two differences between a zygote and a foetus.
