Answer:
sorry if i get it wrong its been a long time since i did this i believe its nucleus
Answer:
it is hard because u couldn't understand wt ur teacher's teaches u
Answer;
-Gametic Isolation
Explanation;
-Gametic isolation is a type of prezygotic barrier where the gametes (egg and sperm) come into contact, but no fertilization takes place.
-In Gametic isolation is when sperm of one species may not be able to fertilize the eggs of another species. For instance, sperm may not be able to survive in the reproductive tract of females of the other species, or biochemical mechanisms may prevent the sperm from penetrating the membrane surrounding the other species' eggs.
This might help
Jatropha<span> plant seeds which are very rich in oil</span>
Their skin is thin so they're prone to drying out and they cannot hold moisture in their bodies(Waterproof skin)