cliff's AP biology

[annak88]

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Do i need to get the 4th edition cliff's AP biology or the 3rd edition is just fine. is there a lot of different between these two editions?

 

[Glimmer1991]

I used the 3rd edition to prepare for my test last summer and it was just fine. 🙂

 

[MedDevil]

Do i need to get the 4th edition cliff's AP biology or the 3rd edition is just fine. is there a lot of different between these two editions?

Use the 3rd, the 4th edition is only being released this year because of changes being made to the AP Biology curriculum.