The relflex arc is basically a connection of nerves in your nervous system that doesnt pass through the brain.
Answer:
Energy decreases as it transfers from one consumer to the next or one trophic level to the next
Answer:
True is the answer for the mean distance of the sun
Answer:
The tiny muscles that make up the iris, known as the circular and radial muscles, relax and contract to maintain a fairly constant level of light entering the eye. In bright light, the circular muscles contract whilst the radial muscles relax. This causes the pupil to constrict and less light enters the eye.
Explanation:
