I would say C.nervous system because that pretty much defines all of the answer choices.
C. Serving as a Shock absorber and cleaning agent
Some of the conditions that must be met for Hardy-Weinberg equilibrium are:
<span>1. There must be the large population.</span>
2. The population must be isolated, thus there must be no migration.
<span>3. There must be no mutations.</span>
<span>4. There must be random mating.</span>
It would be an antioxidant, and the most commonly used antioxidant would be absorbic acid.<span />
the flagellum helps the cell to move through water. Scientists think that the flagellum and the light-sensitive spot work together to increase photosynthesis. Light sensitive spot detects light.
I researched this! Hope it helps!