Answer:
The answer to the question: What are the frogs in the conservation center fed, would be: whatever the frog needs depending on the species, particular needs, particular qualities of the animal and the health issues of the animal.
Explanation:
Given that a conservation center´s purpose is to protect an endangered species, and provide for the animals´ particular needs, especially healthwise, these places offer the chance for animals to receive diets that will best ensure their recovery and their proper development, as well as proper reproduction. As such, if a particular species of frog requires to be fed insects, then the center will provide that. If they rather need fruits, or vegetables, then, that will be provided. It all depends on the characteristics and needs of the animal under protection and care.