Consider the diagram of an internal feedback mechanism that the body uses to help maintain homeostasis. The internal feedback mechanism is shown. Stimuli goes to the receptor to the coordinator to the effector to the response and then to feedback.

What is the role of the central nervous system in this model?

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

Which nucleotide component contains nitrogen

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]