Below given is an image of pyramid of energy, what does the bar in the energy pyramid indicates?

Match List-I with List-II

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Match List-I with List-II

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Movement of energy in an ecosystem is

Gross primary productivity minus respiration loss (R) is __________________

What happens to energy at successive trophic level?

Which of the following process promotes decomposition?

Which of the following statement is correct?
(1) The gradual and fairly predictable change in the species composition of a given area is called ecological succession
(2) Primary succession occurs in abandoned farm lands
(3) The species that invade a bare area are called pioneer species
(4) Hydrarch succession takes place in wet areas
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Which of the following statement is correct?
(1) The detritus food chain (DFC) begins with dead organic matter
(2) In an aquatic ecosystem, GFC is the major conduit for energy flow
(3) Deer in an omnivore animal
(4) Herbivores belong to the first trophic level in an ecosystem
Choose the correct statement from the options given below:

The 10% law of energy transfer was given by _______________