Question

1. Which of the following IS NOT

a characteristic that determines the structure of a marine aquatic ecosystem? A. Depth.
B. Number of species.
C. Flow.
D. Water chemistry.

Answer 1

B. number of species

Step-by-step explanation:

The structure in this case refers to physical parts of ecosystem like the placement (depth), the current (flow), the type of water and the condition of it (water chemistry).