Q: Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
a) Oceans, lakes, grasslands, mangroves
b) Mangroves, oceans, grasslands, lakes
c) Mangroves, grasslands, lakes, oceans
d) Oceans, mangroves, lakes, grasslands
Correct Answer: Option (c)
- The productivity of various ecosystems is:
- Mangroves-2500
- Grassland-500
- Lakes-500
- Open Ocean-125
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