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प्रश्न
Write down a food chain with five links in it.
उत्तर
Grass →Grasshopper→ Frog→ Snake → Eagle
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?
At which trophic level a person is feeding when he is eating eggs.
A student went to study a local pond. In one part of the pond she noticed tadpoles scraping at some pond weed. In another part she saw a water beetle holding a tadpole in its jaws.
(a) Construct a food chain for the pond.
(b) How many links are there in this chain?
Give two differences between food chain and food web.
In the figure given alongside, the various trophic levels are shown in the form of a pyramid. At which trophic level the maximum energy is available?
The following statement is true or false :
Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level in a food chain.
Will the levels of biological magnification be different at different levels of the ecosystem?
Explain why, a food chain usually cannot have more than three or four steps.
Name and state the law given by Lindeman which tells us how much energy entering a particular trophic level of organisms is available for trasnsfer to the next higher trophic level.
