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प्रश्न
Give two differences between food chain and food web.
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
The first trophic level in a food chain is always a green plant. Why ?
Which category of organisms forms the starting point of a food chain?
Fill in the following blank with suitable word :
In nature, all green plants are............ whereas animals are consumers.
Define decomposers.
One of the following is a micro-consumer. This one is :
(a) ant
(b) lice
(c) fungi
(d) mosquito
What would happen to the number of rabbits and grass plants if the number of foxes decreased?
Name two predators of snakes in a food web operating in a forest ecosystem.
Will the levels of biological magnification be different at different levels of the ecosystem?
In an ecosystem, herbivores represent ______.
Food chains are very important for the survival of most species.
If 10,000 J solar energy falls on green plants in a terrestrial ecosystem, what percentage of solar energy will be converted into food energy?
