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प्रश्न
What are planktons?
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उत्तर
The tiny herbivorous plants and animals present in water are known as plankton. Plankton are classified as phytoplankton (plants) and zooplankton (animals).
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
Why are green plants called producers?
We do not clean natural ponds or lakes but an aquarium needs to be cleaned regularly. Why is it so ? Explain.
What are the various steps of food chain called?
At which trophic level a person is feeding when he is eating roasted chicken.
Write a common food chain of a pond ecosystem having four links.
What is a food chain?
If a grasshopper is eaten by a frog, then the energy transfer will be from ______.
One of the following is a micro-consumer. This one is :
(a) ant
(b) lice
(c) fungi
(d) mosquito
The following is a food chain that ends with human :
Do you think that the food chain given in this question can really be regarded as a food chain? Explain your answer.
What would happen to the number of grass plants and foxes if the number of rabbits decreased?
The following statement is true or false :
Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level in a food chain.
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.
What would happen if an organism is removed from the food chain?
The process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain is known as ______.
In an ecosystem, herbivores represent ______.
The sequence of who eats whom in an ecosystem is called as ______.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
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.
