Which ecosystem contains 32% of the world's producers?
a. terrestrial ecosystem.
b. freshwater ecosystem.
c. aquatic ecosystem.
d. marine ecosystem

The correct answer is letter D. Marine Ecosystem. Thirty-two percent of the world's producers is in the marine ecosystem. It is where most of the aquatic resources are located - mangroves, lagoons, reefs, sea floor, etc. The salt content here is higher compared to freshwater.

That's Amazing!

This does look like a lion.