Answer: A characteristic of most mollusks is bilateral symetry.
Answer: d. bilateral symmetry.
It is A Cellular respiration only.
Answer: regulation of body temperature
Explanation:
The sympathetic nervous system is responsible for directing the involuntary actions and controls in the body one of the action is the maintenance of homeostasis.
Homeostasis is the ability of the body to regulate it's internal temperature, pH and internal body environment with respect to the changes occurring in the external environment surrounded by the body.
The sympathetic system helps in regulating the body temperature by directing the sweat glands to secrete sweat to obtain a cooling effect.