Question

Due to decreased light penetration, which area of rivers and streams will have less diversity of plant life?

a. the source
b. the mouth
c. the middle portion
d. none of the above

Answer 1

To summarize the other guys answer its

C) The middle portion

Step-by-step explanation:

Answer 2

From the given choices above, the portion that is not readily penetrated by the sunlight is the river's or the stream's mouth. The plant life usually are on the surface of the water. The middle portion is occupied by the fish and other aquatic lives.