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The zookeeper is giving a tour and talking about a rare two-headed turtle. Select ALL the sentences that are grammatically correct for this specific animal.
The correct answers are Each head has its own personality. and Each of the heads likes different food.
We use each when talking about two or more things. However, we only use every when talking about three or more things.
Because the turtle has exactly two heads, we must use "each" (or "each of the"). "Every" is grammatically incorrect when referring to only two items!