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प्रश्न
What will happen if we kill all the organisms in one trophic level?
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उत्तर
If we kill all the organisms in one trophic level, there will be no food for the organisms of the next trophic level, and they will die of starvation. Also, the organisms of the previous trophic levels will increase in number as there will be no organism to consume them as food.
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संबंधित प्रश्न
List two biotic components of a biosphere.
List two main components of ecosystem?
The following statement is true or false :
In biology, human beings are called producers.
Fill in the following blank with suitable word :
Decomposer organisms are..........in their action.
Write the percentage of energy transferred from autotrophs to the next level in a food chain.
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
What is ten per cent law? Explain with an example.
Will the levels of biological magnification be different at different levels of the ecosystem?
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 consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
Which organism will have the maximum amount of pesticides accumulated through the food chain? What is this process known as?
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.
Which other organism you could write in place of bird in the above food chain?
"Energy flow in food chains is always unidirectional". Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
A food chain comprising birds, green plants, fish and man. The concentration of harmful chemical entering the food chain will be maximum in ______.
______ obtained energy from the chemical breakdown of dead organisms.
What are autotrophs?
Define – Heterotrophs.
Assertion (A): The energy which passes to the herbivores does not come back to autotrophs.
Reason (R): The flow of energy in a food chain is unidirectional.
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.
Which of the following statements is correct?
