AP BIOLOGY

Detailed explanation-1: -Accepted theories may be modified or overturned as new evidence and perspective emerges. Scientists are likely to accept a new or modified theory if it explains everything the old theory did and more.

Detailed explanation-2: -Answer and Explanation: c) It is tested over time until it becomes a scientific law. Scientific theories are testable and make predictions.

Detailed explanation-3: -The example of when scientific knowledge has changed is when Copernicus proposed the heliocentric model of the universe during the 16th century. Before that, it was the geocentric model of the universe. The scientific knowledge changed based on new observations and discoveries along with evidences and support.

Detailed explanation-4: -Answer and Explanation: Scientific theories can be changed when new experimental evidence disproves aspects of a theory.