单选题Which of the following can be inferred about the effect of direct sunlight on lichens?A It damages the algae.B It helps the fungi absorb water.C It is required for the algae to carry on photosynthesis.D It destroys the fungi.
题目
单选题
Which of the following can be inferred about the effect of direct sunlight on lichens?
A
It damages the algae.
B
It helps the fungi absorb water.
C
It is required for the algae to carry on photosynthesis.
D
It destroys the fungi.