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प्रश्न
Give two differences between food chain and food web.
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उत्तर
| Food chain | Food web |
| The sequence of living organisms in a community in which one organism consumes another for the transfer of food energy is called a food chain. | The inter-connected food chains operating in an ecosystem, which establish relationships among various species, make up a food web. |
| It represents a unidirectional flow of energy. | It represents the numerous pathways along which food energy flows. |
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संबंधित प्रश्न
"Energy flow in a food chain is unidirectional" Justify this statement.
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In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers
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Fill in the following blank with suitable word :
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Reason (R): The flow of energy in a food chain is unidirectional.
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