How were Mozart and Beethoven alike, and how were they different?

In what ways was Beethoven responsible for moving toward the Romantic period?

You have had a chance to listen to parts of Mozart's Jupiter Symphony and Beethoven's 5th Symphony. What differences can you hear, and what generalizations might you be able to make about the two composers and their music?
(this is a music question, please write about 1-2 paragraphs)