B. The brain reacts to excessive dopamine levels by increasing the number of dopamine receptors.
Hormones appear to be influenced by emotion and external behavior. For example, one's activity level may increase the production of a hormone, just as hormones often influence the way an individual feels. Hormones are found to impact behavior indirectly through emotional experiences. For example, an individual may feel a specific way as a result of hormone fluctuations but not behave or act out accordingly. The interaction between the emotion and environment play a large role on how hormonal influences are expressed behaviorally. Hormone production also appears to influence various behaviors.
Answer:
growth, reproduction, they are made up of cells, they respond and adapt to their environment, and obtain and utilize energy.
Explanation:
every living thing has those 6 characteristics.
Dog, cat,
Have hair
warm blooded