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:
A substance, either an ion or an electrically neutral molecule, formed by the union of simpler substances (as compounds or ions) and are held together by forces that are chemical rather than physical.
Answer:
How are gametes different from all of the other cells that make up an organism.
Reasons are not far fetched as result of fertilization occurrence after mating which leads to having multiple cells in a gamete. The fusion of male and female organism leads to formation of gametes which consists of multiple cells
Explanation:
This is C)chemical change
For example combustion where an organic compound is turned into CO2 and water.
