What was Lamarck's idea about how organisms changed?
A) He proposed that body parts changed as a result of extra use or disuse.
B) He proposed that variations in populations were selected by the environment.
C) He proposed that all organisms were unchanging over time.
D) He proposed that humans evolved from fish.

Question

Quizplus · Accepted Answer

Lamarck proposed the idea of the inheritance of acquired characteristics, which meant that an organism could pass on traits that it acquired during its lifetime to its offspring. He believed that body parts could change as a result of extra use or disuse, leading to the development of new characteristics over time.

What Was Lamarck's Idea About How Organisms Changed