.
Photosynthetic
Herbivore
Saprophytic
Parasitic
(iii)
(iv)
(i) and (iii)
(ii) and (iv)
Producer to decomposer
Producer to primary consumer
Primary consumer to secondary consumer
Secondary consumer to tertiary consumer
T4
T2
T1
T3
Excessive cutting down of forests and trees
Excessive killing of large herbivorous
Excessive killing of large carnivores
Excessive use of poisonous chemical called herbicides
1 percent
10 percent
20 percent
99 percent
Unidirectional
Bidirectional
Cyclic
Multidirectional
(i) and (ii)
(ii) and (iv)
(iii) and (iv)
(i) and (iii)
Big fish
Bird
Larvae
Small fish
100 J
500 J
1000 J
5000 J
Infrared radiations
Ultraviolet radiations
Gamma radiations
Cosmic radiations
Transfer of energy from various trophic levels to decomposers in a food chain
Transfer of chemical energy from one organism to another
Transfer of ATP energy into muscular energy
Transfer of sun’s energy to the organisms called producers
The population of tiger increases
The population of grass decreases
Tiger will start eating grass
The population of tiger decreases and the population of grass increases
Concentration
Biomagnifications
Expansion
Pollution
Global warming
Ecological balance
Greenhouse effect
Desertification
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