Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?

(a). Fig (b). Mahua (c). Sandalwood (d). Silk cotton  Explanation : The fig tree (Ficus microcarpa) and fig wasps have a unique coevolutionary relationship: A specific species of fig tree can only be pollinated by a specific species of fig wasp. The wasps lay eggs in the fig's fruit, and the two species depend on each other to reproduce. This is an example of coevolution, which is when two or more species reciprocally affect each other's evolution through natural selection. So, The correct answer is (a): Fig