I am pretty sure that the thing which most likely happen to plants if they did not have a waxy outer coating is being revealed by the last option D. They would be harmed by insects and UV radiation. Every plant has to be protected by membrane so that it would be able to deal with drought small invaders and other external forces.
Basic charged atomic particles are electrons (negatively charged) and protons (positively charged). It is a particle on an atomic scale that is charged
Genus. Becasue it goes genus then species ex:homo sapian