Biology for IGCSE & O level - Organisms And Their Environment (Section 5 - No. 30)
What is the main limiting factor of the number of trophic levels in a food chain?
The availability of sunlight
The amount of water in the ecosystem
The amount of energy lost at each level
The number of decomposers present
Explanation
The loss of energy at each level prevents higher trophic levels from being sustained.
Comments (0)
