Answer:
b
Explanation:
The greatest amount of kinetic energy is at the lowest point of the roller coaster. The least amount of kinetic energy is at the highest point of the roller coaster
Answer:
D. The sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Explanation:
- Sympathetic and Parasympathetic nervous system are two divisions of autonomic nervous system.
- Acetylcholine is a common neurotransmitter released by preganglionic neurons of both systems.
- The post Ganglionic neurons of these two systems release different neurotransmitter.
- The sympathetic nervous system is concerned with 'fight and flight response'
- The parasympathetic nervous system is concerned with 'rest and digest ' response.
Answer:
Plant hormonal regulation differs from animal hormonal regulation in that there are no dedicated hormone-producing organs in plants as there are in animals.
Explanation:
<em>Plant hormones control different functions in plants such as growth and development.</em> These hromones are signal molecules that affect gene expression and transcription levels. What diferentiates them from animals is that in plants there are no dedicated hormone producing organs. For example, that plants and insects produce their hormones differently.
