Q. Certain species of which one of the following organisms are well known as cultivators of fungi?
Answer: A
Notes:
Exp) Option a is the correct answer
The fungus-growing ants are a New World group of less than 200 species, all obligate symbionts with a fungus they use for food. The These ants are found across the American continents and the West Indies. These ants are known as fungus growers because they maintain an obligate mutualism with fungi cultured inside their nests, and which is the only food source for the larvae and an important resource for the adult ants as well
Source: https://www.science.org/doi/10.1126/science.153.3736.587
