Answer:
The correct answer would be A. somatic nervous system.
A somatic nervous system is sub-set of the peripheral nervous system which controls the voluntary actions and body movements with the help of skeletal muscles.
This system mainly consists of two types of nerves:
Afferent nerves: Theses are sensory nerves which carry stimulus or information from receptors to the central nervous system (brain and spinal cord).
Efferent nerves: These are also termed as motor nerves which carry commands or responsive information from the central nervous system to the muscles.
The muscles contract and produce movements.
Answer:
Your answer is B). Massive stars undergo a supernova at the red giant phase.
Phototropism refers to the growth or movement of an organism (often a plant) in response to light stimulus. Negative phototropism occurs when an organsim grows away from specific chemicals.
- If a plant is grown in the absence of gravity, its roots will exhibit negative phototropism and auxin hormones will accumulate on the side away from the light source (Option C is correct).
- In this case, negative phototropism occurs in response to auxin hormones.
- On the other hand, positive phototropism occurs when a plant grows towards the light source.
Learn more in:
brainly.com/question/16915126?referrer=searchResults
