Biology Forums - Study Force

Arrange the stages of sperm development in chronological order.
  1) sperm
  2) spermatid
  3) primary spermatocyte
  4) secondary spermatocyte
  5) spermatogonium
  a. 5  2  3  4  1
  b. 5  3  4  2  1
  c. 2  3  4  1  5
  d. 2  5  3  4  1
  e. 3  4  5  2  1

Question 2

Internal fertilization is more advantageous than external fertilization because:a.
   internal fertilization permits cross-species fertilization.
  b. internal fertilization is more open to chance.
  c. internal fertilization produces a motile egg.
  d. internal fertilization increases the life span of gametes.
  e. internal fertilization provides a protective environment for gamete fusion.

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