The respiratory loss of producers, herbivores and carnivores are respectively
$10\;\%, 20\;\%, 30\;\%$
$20\;\%, 30\;\%, 60\;\%$
$20\;\%, 40\;\%, 80\;\%$
$Always\; 10\;\%$
Assertion : Pyramid of energy may be upright or inverted.
Reason: Only $20\%$ of energy goes to next trophic level.
Explain various types of ecological pyramids.
To show how many organisms are present at each level of a food chain, ecologists use a model called
Pyramid of number becomes partly inverted partly erect for
Choose correct pair Trophic level - Dry weight ($kg\ m^{-2}$)