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प्रश्न
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
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उत्तर
Humans obtain honey made by bees and consume it as food.
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संबंधित प्रश्न
Why are green plants called producers?
What is biological magnification?
What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?
Which of the following belong to the same trophic level?
Tree ; Frog ; Snake ; Grass ; Lizard
Write an aquatic food chain.
At which trophic level a person is feeding when he is eating bread.
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?
What is a 'food web'? Show its formation.
The decomposers in an ecosystem ______.
Which of the following is not a producer?
(a) grass
(b) zooplankton
(c) phytoplankton
(d) paddy
One of the following is a micro-consumer. This one is :
(a) ant
(b) lice
(c) fungi
(d) mosquito
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
What could be X?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name the organism which Y could be.
What would happen to the number of rabbits and grass plants if the number of foxes decreased?
Will the levels of biological magnification be different at different levels of the ecosystem?
What does garbage consist of?
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.
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.
In a food chain grasshopper gets energy by eating frog.
In a food chain, the third trophic level is always occupied by
