Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: A fewer predators is most likely to cause the number of rabbits living in an area to increase.

A: Which factor is most likely to cause the number of rabbits living in an area to increase?
****
Q: Rich in protein and nutrients, insects abundant group of organisms is being touted as an important human dietary source.

A: Rich in protein and nutrients, what abundant group of organisms is being touted as an important human dietary source?
****
Q: Carnivores is the term for heterotrophs that eat only or mainly animals.

A:
What is the term for heterotrophs that eat only or mainly animals?
****