A) Cattle or sheep and grass
B) Wasps and fig tree
C) Orchid and mango tree
D) Cuckoo and crow
Correct Answer: C
Solution :
: Commensalism is interaction between two species in which one is benefitted while other is neither harmed nor benefitted. Many epiphytes, e.g., orchids, bromeliads and certain hygroscopic plants are found growing on the branches and in the forks of trees. These epiphytes use the trees only for attachment and manufacture their own food by photosynthesis. Hence host plant is neither benefitted nor harmed while epiphyte is obtained as it easily accesses light, air, etc.
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