Answer:
Out of the given options, the ecosystem that has the highest net primary productivity per square meter annually is a tropical rain forest.
Step-by-step explanation:
- The tropical rainforests consist of a variety of animal and plant species. The biodiversity of a tropical rainforest is more than any other type of ecosystem.
- Availability of ample water and conditions favorable for growth allow the species of plants and other organisms to thrive in such ecosystems.
- After tropical rainforests, the highest "net productivity per square meter" is found in temperate forests.