Where is ecosystem complexitiy generally least?
Options:
- (A) humans disturb it
- (B) frontal zones
- (C) in lakes
- (D) at the ocean
- (E) our planet
- (F) at the poles
- (G) mouth of rivers
- (H) at the equator Let's solve this problem gradually.

user
Biodiversity generally increases from the poles to the equator. Biodiversity contributes to ecosystem complexity. Ecosystem complexity generally increases from the poles to the equator. So the final answer is (F).
assistant