Charles Darwin's study of plants and animals led him to propose a theory of evolution that assumed that
A) animals, but not plants, change by means of evolution.
B) only the physical features of plants and animals (e.g., flower or eye color) change by means of evolution.
C) physical and mental features of animals and humans change by means of evolution.
D) the process of evolution creates a single line of progress in plants and animals.

Question

Quizplus · Accepted Answer

Darwin's theory of evolution, as outlined in his seminal work "On the Origin of Species," posits that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce. This theory encompasses both physical and mental features in animals and humans, suggesting that these traits evolve over time to adapt to their environments.

Charles Darwin's Study of Plants and Animals Led Him to Propose