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प्रश्न
What is commensalism? Explain it with a suitable example.
Explain commensalism with the help of an example.
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उत्तर
Commensalism is the interaction between two species in which one species derives benefit and the other one is neither harmed nor benefited. This is the interaction in which one species benefits and the other is neither harmed nor benefited.
An orchid growing as an epiphyte on a branch of a mango tree will benefit, while the mango tree derives no benefit.
The cattle egret and grazing cattle in close association are a classic example of commensalism. Cattle egrets always forage close to cattle; as cattle move, they flush out insects that might be difficult for the egrets to find and catch.
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संबंधित प्रश्न
Give the role of VAM related to soil fertility.
Write what do phytophagous insects feed on.
State Gause’s competitive exclusion principle.
Define the following term:
Commensalism
Mention any two examples where the organisms involved are commercially exploited in agriculture.
Define the following term:
Camouflage
Distinguish between the following: Parasitism and Mutualism.
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Define the term population interactions. State its two types.
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Tabulate and analysis of two species population interaction.
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Identify the correct pair that exhibits commensalism.
In the given picture, identify the type of interspecific interaction.

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The diagram given below shows the life cycle of a malarial parasite. Study it carefully and answer the questions that follows:

- Name the hosts in which the asexual phase and sexual phase of the life cycle takes place.
- Identify the infective stage labelled ‘D’.
- Name the structure labelled ‘A’ and ‘E’.
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Some orchids live on the branches of mango trees. Name the type of interaction that exists between the mango tree and the orchid.
Give one example of parasitism.
Given below are two statements.
Statement I - The amount of energy available in an ecosystem increases at each successive trophic level.
Statement II - Transfer of energy from one trophic level to the other follows 10% law.
In light of the above statements, select the correct option given below.
