Question

An orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid and the mango tree?

Answer 1

1. Orchid is an epiphyte. It gets the support from the mango tree. But it does not cause any harm to the mango tree. 

2. Mango tree does not derive any benefit from this association. Therefore, this interaction is of type of commensalism.