UPPCS · প্রশ্ন 134
The amount of energy during transfer from one trophic level to another in an ecosystem
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Decreases
ব্যাখ্যা
Energy decreases at each trophic level. Only about 10% passes to the next level (Lindeman's 10% law); the rest is lost as heat in respiration.