Question

Why do herbivores have longer intestines than carnivores?

Answer 1

herbivores are plant eating animals

we know that cellulose is present plants. In order to digest this cellulose they have longer intestine

Answer 2

Herbivores have to eat only items which has a lot of cellulose. To digest that they require longer intestines. But carnivorous animals can easily digest the soft meat. Hence shorter intestines is sufficient..