Answer:
To study these moths, Dr. Kettlewell placed light and dark moths on the trunks of trees where he could observe them. The same birds would find the dark moth twice as often if the bark on the tree was light. This supported the idea that dark moths had a survival advantage in a dark forest.
2000 is right answer if not sorry
Answer: The nervous system acts like a highway that transmits information to and from the brain. It communicates what parts of the body might need or not need certain things so that they can be sent to their respective destinations.
The most logic answer is B.