Pigs cannot look __________.

Apples _________ float on water.

Frogs drink water through their _________.

An ___________ can run faster than horses.

An ___________ is the fastest animal in the world.

A___________ is the largest animal in the world.

A ___________ is the tallest animal on the Earth.

A ___________ is the smallest living bird.

A camel can drink___________ gallons of water at once.

During winter a camel can live for ___________ without drinking water.

An ___________ egg is the largest egg in the world.

A blue whale's tongue is as heavy as an ____________.

Cucumbers are actually a ____________.

A ____________ is a fish.