In Close Comparisons, External Fertilization Often Yields More Offspring Than

Multiple Choice

In close comparisons, external fertilization often yields more offspring than does internal fertilization. However, internal fertilization typically offers the advantage that ________.

A) it requires less time and energy to be devoted to reproduction
B) the smaller number of offspring produced often receive a greater amount of parental investment
C) it permits the most rapid population increase
D) it requires expression of fewer genes and maximizes genetic stability