Option c. endodermis
greek word endon, within + derma,skin; the layer of living cells, with various characteristically thickened walls and no intercellular spaces, which surrounds the vascular tissue of certain plants and occurs nearly all roots and certain stem and leaves.
Answer:Primary succession occurs on land that is new and has never had a flora and fauna example: glacier retreats, lava flows. Secondary succession occurs on land that has been cleared example: by fire, of flora and fauna, but which still has viable seeds and spores in the soil.
This isn't possible except you have a system where there isn't competition and the survival of the fittest in the aspect of the food chain
The answer is C. RNA, but it should really by called mRNA for Messenger RNA