Internal fertilization is more advantageous than external fertilization because it:

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

Question 2

According to the mathematical model developed by Wayne Getz to predict the existence of asexual or
  sexual reproduction within a population:a.
   the offspring produced by sexual reproduction would be most successful in a stable
  environment.
  b. clones produced by asexual reproduction would succeed in an unstable environment.
  c. both strategies would coexist under conditions of moderate change.
  d. one assumption is that the offspring of sexual reproduction will use resources in the same
  way.
  e. one assumption is that the offspring of asexual reproduction will use resources differently.