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?

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

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

• self

• life

• sign

• name