No. Instinctive is an adjective. The adverb is "instinctively."

An instinctive behavior is mating

One instinctive behavior is to scratch

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

He saw the boulder coming down the and ran because that was an instinctive reaction.

You would likely benefit from the book entitled "Instinctive Nutrition." You can purchase the book from Amazon or check it out from your local library. For a quick, basic, online guide to Instinctive Nutrition, you can visit http://www.everydiet.org/diet/instinctive-nutrition.