Greek and Latin Roots

If "bio" means life and "ology" means study of, what does "biology" mean?

• the study of life

• the study of earth

• the study of people

• the study of space

"Auto" means self, "bio" means life, and "graph" means write, so what is an "autobiography?"

• text written about one's own life

• text written about someone else's life

If "eco" means environment and "ology" means study of, what does ecology mean?

Zoology is the study of animals, so what does the root "zo" mean?

What does the root "auto" mean in the word "autograph?"

• self

• life

• sign

• name