Q. Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity? (Solved)
1. Oceans, mangroves, lakes, grassland
2. Mangroves, oceans, grassland, lakes
3. Oceans, lakes, grassland, mangroves
4. Mangroves, grasslands, lakes, oceans
- d. Mangroves, grasslands, lakes, oceans