The interaction between the organisms of one of the following pairs is an example for commensalism
A
Wasps and fig tree
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B
Cuscuta with other plant
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C
Cattle or sheep and egrets
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D
Ascaris and human
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Solution
The correct option is D Cattle or sheep and egrets Commensalism is the type of interaction in which one of the partner is benefitted while the other partner is unharmed. This type of interaction takes place in the cattles or other grazing animals and the egrets. The grazing animals while grazing, disturbs the grass and the insects that are living in the grass come out. The egrets are present on the back of the grazing animals. The egrets feed on these insects. There is no harm done to the cattles.