C. The sensitivity of the retina decreases
<span>Grazers are basically animals that eat plants from the ground so an adaptation to prolong their life would be bitter taste, meaning the answer is D. bitter taste. That is because if animals eat them they see that they are bitter and they don't like it and they don't want to eat them so plants in savannas keep existing this way.</span>
The scientific field of study that examines the relationships between biology and psychology, and how they influence behavior and cognition. For example, biopsychology examines topics such as how your eyes are able to inform your brain what you are reading, how the brain interprets this information, and how your brain communicates with your hand to move the mouse and click on different links.
https://study.com/academy/lesson/what-is-biopsychology-definition-basics.html
Agree, the cells are the basic unit of life therefore it’s agree. The cell is the basic unit or cell of any organism.