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प्रश्न
Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
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उत्तर
Snakes belong to the third trophic level and hawks belong to the fourth trophic level in the food chain.
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संबंधित प्रश्न
Why are green plants called producers?
Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants
Write down a food chain which ends with humans.
Construct a short foodchain, ending with man.
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Grass → Deer → Tiger
In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is :
(a) insect
(b) snake
(c) frog
(d) grass
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plants → bee → human
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Fill in the following blank with suitable word :
Grass → ........... → Human
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
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Explain why, the flow of energy in the ecosystem is said to be unidirectional.
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
What would happen if an organism is removed from the food chain?
In an ecosystem, herbivores represent ______.
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Which group of organisms are not constituents of a food chain?
- Grass, lion, rabbit, wolf
- Plankton, man, fish, grasshopper
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DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.
In the following food chain, vertical arrows indicate the energy lost to the environment and horizontal arrows indicate energy transferred to the next trophic level. Which one of the three vertical arrows (A, C and E) and which one of the two horizontal arrows (B and D) will represent more energy transfer? Give reason for your answer.
A food chain in a forest ecosystem
In the following food chain, only 2J of energy was available to the peacocks. How much energy would have been present in Grass? Justify your answer.
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