Biology
Grade-10
Easy
Question
From which of the following a large portion of the phosphorus used in fertilizer is derived?
- The guano of ocean-feeding birds
- The decomposition of detritus feeders.
- Captured and dried mats of plankton from the Red Sea.
- Algal chlorophyll
Hint:
The guano of ocean-feeding birds
The correct answer is: The guano of ocean-feeding birds
the guano is the droppings of various ocean-feeding birds which is rich in phosphorus and is used as fertilizers.
Thanks to the fish diet of these birds, their guano is a highly effective fertilizer.
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