The correct answer is letter B
All the characteristics that adapt its possessors to something, are generally said to be adaptive and allow living beings to develop a certain harmony with the environment, thus adjusting themselves for their survival in a given location.
The answer is, "Just noticeable differences."
Weber's law was named after Ernst Weber, a German psychologist. The law postulates that the strength and intensity needed to identify changes in a stimulant correlates to the magnitude of the stimulant. In other words, the more severe a stimulus is, a greater change needs to be made for it to be noticed.
The importance of cephalization is the development of a control center or brain. The brain is a concentration of nervous tissue that coordinates and controls sensory information and nervous activity. A larger brain allows for smarter and more complex animals.
