why are there a huge amount of different insect varieties, like in ants, but only a small amount of different varieties in animals such as crocodiles?

Question

why are there a huge amount of different insect varieties, like in ants, but only a small amount of different varieties in animals such as crocodiles?

In: Biology

Answer 1

I read somewhere that beetles have an unusually wide distribution, and a variation in species that is quote numerous…