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Q.
Which of the following is an example of species–specific coevolution?
NTA AbhyasNTA Abhyas 2020
Solution:
Mutualism: It confers benefits on both the interacting species. It is an obligate association of two organisms where two organisms often live together and are interdependent on each other. Coevolution occurs when two or more species reciprocally affect each other’s evolution. Such species also show the phenomenon of co-extinction. The biological relationship between Yucca moths and Yucca plant is an example of obligate mutualism. These plants rely on the moths for pollination, while the moths use Yucca flowers as a safe place to lay their eggs. Seeds of these flowers act as a food source for moth larvae. There is a tight one-to-one relationship with the pollinator species of wasp and many species of fig trees. It means that for each fig species there occurs a partner wasp species without which pollination cannot occur. Female wasp uses the fig fruit as an oviposition (egg-laying) site and developing seeds for nourishing its larvae. The wasp pollinates the fig inflorescence while searching for suitable egg-laying (oviposition) sites.