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प्रश्न
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?
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उत्तर
Yes. Depending on the trophic level, various organisms will be affected differently if all of them are eliminated. For instance, eliminating all of the producers (T1) will negatively impact both herbivores and carnivores as well as all other consumer types, whereas eliminating all of the herbivores will negatively impact only the carnivores while increasing the number of producers.
No. The removal of any organism at any trophic level will always have a negative impact on the ecosystem. For example, eliminating tigers and lions, two of the top carnivores will quickly increase the number of deer, which will then quickly consume the available vegetation, leading to a shortage of vegetation and a deer population crash.
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
List two important roles play in the environment by decomposers.
Which of the following constitute a food-chain?
A food chain represents a unidirectional flow of X. What is X?
Explain the terms 'producer' and 'consumer'. Give two examples of producers and two of consumers.
What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
What is a trophic level?
Draw the food chain with four trophic levels.
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 two zooplanktons.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Which organism in the above food chain is a (1) primary consumer, and (2) tertiary consumer?
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.
Fill in the following blank with suitable word :
Lettuce → ............. → Fox
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.
Write the food chain comprising all the organisms mentioned above.
Primary consumers that eat plants are called _______.
Write the importance of the food chain.
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
In a food chain grasshopper gets energy by eating frog.
