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प्रश्न
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
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उत्तर
An orchid growing on a forest tree simply uses the tree as a substratum to hold itself and does not harm the host tree in any way. Hence it is a simple case of commensalism.
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संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
Apart from being a part of the food chain, predators play other important roles. Mention any two such roles supported by examples.
Answer the following question.
Mention the term used to describe a population interaction between an orchid growing on a forest tree.
Define Absolute Mortality.
Competition between species leads to ________.
In the given picture, identify the type of interspecific interaction.

In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
"Abingdon tortoise in Galapagos islands became extinct within a decade on introduction of goats in the island." Explain giving reason.
What is the sign convention for competition between two species?
What is the sign convention for amensalism?
