Epiphytic plants, such as various species of orchids (Orchidaceae), grow upon another plant, using the plants for physical support, but bringing no harm to the host plant. This is an example of which symbiotic relationship?
A) parasitism
B) mutualism
C) commensalism
D) amensalism

Question

Quizplus · Accepted Answer

Epiphytic plants are not harming the host plant, and are only using it for physical support. This is an example of commensalism, where one organism benefits (the epiphytic plant) and the other organism is not affected positively or negatively (the host plant). Therefore, option C is the correct answer.

Epiphytic Plants, Such as Various Species of Orchids (Orchidaceae), Grow