Why are there more rodents on earth than any other type of mammal?

Why are there more rodents on earth than any other type of mammal?Why are there more rodents on earth than any other type of mammal?
smaller animals seem to thrive more. Which also explains the numerous bugs and small birds etc etc.





Smaller animals thrive more because they need less energy to survive and also their smaller bodies yield shorter life expectancies which increases the rate at which they reproduce.Why are there more rodents on earth than any other type of mammal?
They (Order Rodentia) have more members than any other group of mammals.
they are less picky and can survive in nearly conditoin