Question

Why do herbivores helps longer small intestine than carnivores give reasons

Answer 1

This is because their diet is grass and plants, made up of fibre and cellulose which are hard to digest. ... A longer intestine would also host many small bacteria that process and break down cellulose into glucose, a source of energy which the host herbivore can use.
Hope this helps you

Answer 2

because meat is more easy to be digest than plant as plant contains cellulose