7)
As the depth of the ocean increases, the amount of light that penetrates to that depth decreases. At about 200 meters, little, if
any, light is present. The graph below illustrates the population size of four different species at different water depths.
Increasing Population Size
Increasing Water Depth
KEY:
Species A
Species B
Species C
Species D
Which species most likely performs photosynthesis?
A) A
B) B
C) C
D) D