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प्रश्न
Write down a food chain with five links in it.
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उत्तर
Grass →Grasshopper→ Frog→ Snake → Eagle
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संबंधित प्रश्न
State with reason any two possible consequences of elimination of decomposers from the Earth.
List two important roles play in the environment by decomposers.
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?
Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
Fill in the following blank with suitable word :
Decomposer organisms are..........in their action.
At which trophic level a person is feeding when he is eating roasted chicken.
In a food chain, the initial organism is usually :
(a) photosynthetic
(b) herbivore
(c) saprophytic
(d) parasitic
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
Will the levels of biological magnification be different at different levels of the ecosystem?
Explain why, the flow of energy in the ecosystem is said to be unidirectional.
Calculate the amount of energy that will be available to big fish in the following food chain, if 10,000 J of energy is available to small algae from the sun :
Small algae → Zooplankton → Fish → Big fish
The ten per cent law is associated with
(a) transfer of energy from various trophic levels to decomposers in a food chain
(b) transfer of ATP energy into muscular energy
(c) transfer of chemical energy from one organism to another
(d) transfer of sun's energy to the organisms called producers.
Primary consumers that eat plants are called _______.
Bacteria and fungi are called decomposers.
What would happen if an organism is removed from the food chain?
In an ecosystem, herbivores represent ______.
Food chains are very important for the survival of most species.
Matter and energy are two fundamental inputs of an ecosystem. Movement of:
Observe the food web and answer the questions given below:
Why do all food chains start with plants?
