Charles Darwin, an Evolutionary Theorist, Found It Difficult to Explain

Multiple Choice

Charles Darwin, an evolutionary theorist, found it difficult to explain altruism. From an evolutionary perspective, it would initially seem that over centuries and generations, altruistic behaviors would __________ because __________.

A) increase; more unfit offspring might survive
B) disappear; self-sacrifice would produce fewer offspring
C) disappear; only the fittest, most selfless offspring would survive
D) remain unchanged; the gene pool would become more variable