a cold-blooded animal that can live on land or in water
Frogs, toads, and salamanders are a few examples of amphibians.

the spinal or vertabral column
Some animals like eels do not have a backbone.

go together
Do you want to come along with me to the park?

to create or think of something
A child's motor skills develop with time.

to stop being VISIBLE
The rainbow disappeared when it started to rain again.

a long, thin fish that looks like a snake
Unlike other fish, eels don't have scales on their bodies.

at a later time, in the end
He eventually figured out how to use the computer.

as a substitute or alternative to
We should go to church instead of out to play.

a class of animal that has a body temperature to match the outside temperature, skin covered with scales, and lays eggs
A Gila Lizard is a large reptile that looks like a dinosaur.

being rare or uncommon; not ordinary
It was unusual for Tom to do household chores.