Answer:
B
Explanation:
When atoms bombard each other, they move vigorously hence they vibrate quickly
Answer:
the plasma membrane is a bilayer of lipid molecules with protein molecules embedded in it.
Explanation:
The correct answer is option B, that is, the sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Both the parasympathetic and sympathetic nervous system are the components of the autonomic nervous system that works obligatorily. The sympathetic nervous system holds the key in controlling the body at the time of stress and injury, it is generally regarded as fight or flight. It contracts the muscles of the heart in order to enhance the rate of the heart.
On the other hand, the parasympathetic nervous system is responsible to monitor the function of the body when it is at rest. It assists in sustaining the homeostasis in the body. It relaxes the muscles of the heart in order to reduce the rate of the heart.
An example of a structural adaptation for a zebra is A) The zebra herd constantly moves and is in the Company of other grazers for survival.