The major difference between the human male and female reproductive systems is the

The major difference between the human male and
  female reproductive systems is the
  a. provision of a site for fertilization and embryo
  development in the female.
  b. production of haploid gametes only by the male.
  c. diploid polar bodies of the female.
  d. generation of millions of eggs but only
  thousands of sperm each month.
  e. presence of a duct system opening to the bodys
  exterior only in females.

Question 2

All of the following animals give birth to live young
  after extensive internal development in the female
  EXCEPT
  a. humans.
  b. mice.
  c. kangaroos.
  d. monkeys.
  e. lions.