with the help of an example involving 4 organisms,describe how energyflowsfromdifferenttrophiclevels
Asked by | 29th Jun, 2008, 01:10: AM
Grass -> Grasshopper -> Frog -> snake -> hawk
Here, a part of the solar energy is captured by grass which uses it to produce food. About 10% of this captured energy is passed on to grasshoppers. Here, large amount of energy is lost as heat, some goes into digestion and doing work and rest towards growth. Again 10% of the food eaten by the grasshopper is made available to the next trophic level, comprising of frogs. In this way energy flows further from frog to snake and from snakes to the final trophic level, made up of hawks..
Another example would be
Dead organic matter -> Microrganisms like bacteria, fungi etc. -> Detritivores like earthworms, nematodes etc. -> Predators like snakes, frogs etc.
Answered by | 29th Jun, 2008, 06:28: AM
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