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प्रश्न
The first trophic level in a food chain is always a green plant. Why ?
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उत्तर
Green plants always occupy the first trophic level because they are the producers. They convert the energy of the Sun into a usable form of energy for the next trophic level.
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संबंधित प्रश्न
Why are plants called producers?
What is a food chain?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
Fill in the following blank with suitable word :
Plants → Antelope → ............
Explain why, the flow of energy in the ecosystem is said to be unidirectional.
A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
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?
Natural agents like ______ are the decomposition factors breaking complex forms into simpler units.
Animals that eat both plants and animals are called as Carnivores.
