What do herbivore and carnivores have in common-?

Answer 1

One thing that a herbivore and carnivores have in common is that they can not make their own food. They are heterotrophs, that is what you call organisms that cannot make their own food. Another thing that they have in common is that they will change their diets according to what is available to them.

Answer 2

They are both organizims,

they both eat only one type of thing and are thus fussy

Answer 3

They eat other living things.