What is an example of a change in the genetic traits of an organism due to human influence?

•A. Humans breed dogs to be smaller and more friendly.
•B. Humans train dolphins to perform tricks for audiences at an aquarium.
• C. Humans destroy a tree frog's habitat, and the tree frogs become extinct.
• D. Humans feed bears, and the bears begin to enter campsites to look for food.

1 answer

A. Humans breed dogs to be smaller and more friendly.