The theory of evolution has changed over time. Initially, Lamarck believed that organisms developed traits in response to a changing environment to improve their chances of survival. Later Darwin proposed that organisms that already possessed traits suitable to a changing environment were more likely to survive and reproduce.

Which of the following does not explain why the theory of evolution has changed?

A. Lamarck’s theory was discarded when new scientific information became available.

B. Darwin collected empirical evidence to support that organisms with favorable traits survived and reproduced.

C. The theory of evolution became a scientific law after much debate and confirmation in the scientific community.

D. Other scientists such as Peter and Rosemary Grant have collected additional empirical evidence that supports Darwin’s findings.