Which of These Ecosystems Has the Lowest Productivity

Question

Which of these ecosystems has the lowest productivity?
A)tropical forest
B)temperate forest
C)savanna
D)open ocean
E)lakes

Accepted Answer

The open ocean has the lowest productivity due to its low nutrient availability and lack of photosynthetic organisms. It also has a large volume of water, making it harder for nutrients to be circulated and support a high level of primary productivity.