Very old
Ancient
To appear in the world
Exist
To begin to grow
Sprout
Very large or heavy
Massive
Someone who studies the history of the Earth
Paleontologist
An animal or plant preserved in rock
Fossil
The process of finding things similar or different
Comparison
Roughly; about
Approximately
In a way that does not take a lot of time
Briefly
Extra
Additonal
Most likely
Possible
A small piece of a larger object
Fragment
Sharing qualities with something not the same
Similar
