Question

Pelicans have enormous pouched bills this adaptation makes pelicans best suited for

Answer 1

Answer: Eating fish and living in aquatic habitats

Step-by-step explanation:

Answer 2

The enormous pouched bills that pelicans possess serves a particular purpose: it allows pelicans to catch a great number of fish more easily than similar birds.  This also allows for pelicans to be more easily adapt to and live in aquatic habitats.