Answer:
Carbon cycle may be defined as a type of biogeochemical cycle that regulates the amount of carbon in nature. The carbon is released by the living animals and utilized by the plants in form of carbon dioxide.
Photosynthesis consumes the carbon dioxide to make carbohydrates where as cellular respiration releases carbon dioxide and breakdown the carbohydrate. Both these process helps in recycling of the carbon in nature and maintains the level of carbon in nature.
Initiating protective reflex actions is not a role of the basal nuclei
Explanation:
A reflex is the “simplest response” to Stimulus. The two examples of reflex are sneezing and blinking. The main role of reflex is to produces a quick motor response. Reflexes are “very fast” and most of reflexes not reach the brain. Reflex can be understood as blinking of eyes from any danger.
The main role of sensory neuron is to carry impulse from receptors to the spinal cord and motor neuron carry impulses from the spinal cord to the effectors.