The answer for this question is C
I do not know at ALL. =( Sorry.
Answer:
I think the answer would be lichens, because lichens are formed during primary succession as a pioneer species. During secondary succession, grasses are usually the pioneer species.
No, they cannot be sure because the man has short eyelashes so the children each get characteristics from each parents so some may have long eyelashes and some may have short eyelashes.
