Can I take the sim card out my iPhone 4 and put it into a iPhone 5c?

Can I take the sim card out my iPhone 4 and put it into a iPhone 5c? - 1

No, the iPhone 4 uses a micro sim which is not compatible for the iPhone 5c (which uses the nano sim)

Yes, but it would have to cut down to size.

iPhone 4 - microSIM
iPhone 5c - nanoSIM