If you are not yet convinced this is a book for you, then perhaps knowing the authors value «creativity and self - expression as biological necessities» will help. (naesp.org)
Yes, a puppy needs nutritious food and a safe, warm place to live, but another equally powerful and important biological necessity is the need for a strong pack leader. (cesarsway.com)
Rooted though culture is in biological necessities, it reveals methods of human adjustment that transcend those of animal instinct and trial and error learning. (religion-online.org)