What kind of interrelationships exist between organisms in the biosphere?

Select the appropriate option for the relationship between $Yucca$ and the moth.

Interspecific interaction could be

Small fish get stuck near the bottom of a shark and derive their nutrition from it. This kind of association is called as:

What is commensalism?

The orchid $Ophrys$ employs 'sexual deceit' to get pollinated by a species of bee. One petal of its flower bears an uncanny resemblance to the female of the bee in size,colour,and markings. The male bee perceives it as the female and attempts to copulate with the flower. During this process,pollen grains are dusted on the male bee's body. What is this phenomenon called?