"The natural world can be viewed as a continuously changing complex system comprising variable units that do not conform to any stable plan. Within this framework, human evolution is not the story of... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.