which one of the following is a matching pair of certain organism (s) and the kind of association?
Shark and sucker fish – Commensalism
Suckerfish attached itself to the undersurface of a shark with the help of its dorsal fin and gets a free ride. It detaches itself when the shark is feeding to obtain fallen smaller pieces of the food.The suckerfish is benefited while the shark is completely unaffected. This is commensalism.
Alga and fungus in lichens are in a mutual relationship. Alga provides food while fungus provides shelter and moisture.
Orchids growing on trees is an example of commensalism where orchid is benefited in terms of space. the host plant is not affected.
Cuscuta growing on a flowering plant is an example of parasitism. Cuscuta derives all the nutrients from the plant and thus the plant is harmed.