For which one of the following observations were both Lamarck's hypothesis and Darwin's hypothesis in complete agreement?
A) Use and disuse of organs determines their size in progeny.
B) Gradual evolutionary change explains why organisms are well-suited to their environments.
C) Acquired characteristics are inherited.
D) More complex species are descended from less complex species.

Question

Quizplus · Accepted Answer

Both Lamarck's hypothesis and Darwin's hypothesis agree on the concept of gradual evolutionary change, which explains why organisms are well-suited to their environments. However, Lamarck's hypothesis also included the concept of acquired characteristics being inherited, which Darwin's hypothesis did not support.

For Which One of the Following Observations Were Both Lamarck's