Answer:
Please see below
Explanation:
With the study on coat color, mice who could blend in better in the environment would be less likely to be detected bu the predator. Another hypothesis could be made in relevance to their legs. Longer legs would help the mice run quicker and increase the chances of escaping from the grasp of the predator, and hence, make survival more likely so it will be selected for. While shorter legged mice will be selected against since they are at a disadvantage.
Answer: Vasodilation of the arteries lowers blood pressure and decreases the force that the heart muscle needs to exert to pump blood., the cell signaling mechanism begins when $NO$ diffuses into the smooth muscle cells of the blood vessel and activates guanylyl cyclase.
Explanation:
Answer: G
Explanation: A galaxy is indeed a collection of stars, gas, and dust held together by gravity.
The answer is Stimulus Discrimination.