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प्रश्न
Draw the food chain with four trophic levels.
उत्तर
A food chain with four trophic levels can be shown as follows.
Grass →Insect →Frog → Eagle
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संबंधित प्रश्न
Which of the following constitute a food-chain?
What will happen if we kill all the organisms in one trophic level?
What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?
In a food chain, the third trophic level is always occupied by :
(a) carnivores
(b) herbivores
(c) decomposers
(d) producers
Which of the following group of organisms are not constituents of a food chain?
- grass, lion, rabbit, wolf
- plankton, man, fish, grasshopper
- wolf, grass, snake, tiger
- frog, snake, eagle, grass, grasshopper
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
Write the food chain comprising all the organisms mentioned above.
Bacteria and fungi are called decomposers.
Give one example of a food chain in an aquatic ecosystem?
If a harmful chemical enters a food chain comprising peacocks, plants, rats and snakes, which of these organisms is likely to have the highest concentration of the chemical in its body? Justify your answer. Name the process involved and define it.
