A-A+
In a primary succession what makes it possi
问题详情
In a "primary succession", what makes it possible for mosses to take root?
A.The type of rock.
B.The amount of sunlight.
C.The amount of moisture.
D.The effect of lichens.
参考答案
正确答案:D
解析:第三段的一、二句话中,作者提到了首先能在岩石上生存的植物是lichen(地衣),然后在地衣生长之后,由于地衣的影响才能使moss(苔藓))的生长成为可能。