Many of Darwin's contemporaries argued that discontinuous variation is the reason that complex traits evolve. However, Darwin reasoned that discontinuous traits do not play a major role because evolution
A) happens only in large leaps.
B) occurs by singular, chance events.
C) occurs very rapidly.
D) is a gradual process.

Question

Quizplus · Accepted Answer

Darwin argued that evolution is a gradual process that occurs over long periods of time through small, incremental changes rather than sudden leaps or singular, chance events. Therefore, he believed that discontinuous traits do not play a major role in evolution.

Many of Darwin's Contemporaries Argued That Discontinuous Variation Is the Reason