Researchers are studying lichens growing on trees in a forest
ecosystem. At the beginning of the study, the researchers
identified 12 lichen species in the forest. Later, a forest fire
happened in the study area. The researchers returned to the
area and found only 6 lichen species.
A.Most lichen species are unaffected by the forest fire.
B.Certain lichen species are better adapted to survive forest fires
than others.
C.The biodiversity in the forest increases after a fire.
D.Forest fires will always permanently remove the same species from
the ecosystem.
Please help!!!