State PCS PYQPrelims 2019

UPPCS · ಪ್ರಶ್ನೆ 134

The amount of energy during transfer from one trophic level to another in an ecosystem

  1. Increases
  2. Decreases
  3. Remains constant
  4. May increase or decrease
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (B) Decreases

ವಿವರಣೆ

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.