Orchids live on bark of trees without causing any harm. What is the ecological relationship?
A. Mutualism
B. Parasitism
C. Commensalism
D. Predator-Prey


Sagot :

Orchids live on the bark of trees without causing any harm, What is the ecological relationship?

C. Commensalism

While there is a symbiotic relationship between orchids and trees, it is not mutualism, in which both parties benefit. Commensalism is a biological interaction between members of two species in which one derives food or other advantages from the other without hurting or benefitting the latter. The commensal—the species that benefit from the relationship—may acquire nourishment, shelter, support, or movement from the unaffected host species. A bigger host and a smaller commensal are frequently seen in a commensal relationship. The contact leaves the host organism relatively unaltered, whilst the commensal species may exhibit significant morphological adaptation. Mutualism is the polar opposite of this connection.

An orchid obtains sunlight by growing high on the branches of a tree. The relationship between the orchid and the tree is called?

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