Chap+1&22+JO


 * Chapters 1 and 22 Human Evolution

From Chapter 1 pages 6-7 1. What anatomical features tell us that humans are vertebrates and mammals?** The nerve chord protected by a vertebral column shows us that we are vertebrates and the hair and mammary glands show that we are mammals. This would not separate us from apes however; the distinction between them and us lies in our highly developed brains, standing upright, creative language and the ability to use a wide variety of tools.

The items that separate us from apes and other mammals are in our highly developed brains, standing upright, creative language and the ability to use a wide variety of tools.
 * 2. How do humans differ from other mammals, including apes?**

3. How are humans classified? From Domain to Species.** Things are classified according to their evolutionary relatedness. The biomial name of an organism gives its genus and species. Homo sapiens are we.
 * From Chapter 22 pages 475-477

-Mobile limbs -Grasping hands -Flattened face -Binocular vision -Large complex brain -Reduced reproductive rate
 * 4. What are the characteristics of primates?**


 * 5. What major differences exist between the chimpanzee skeleton and the human skeleton?**
 * Humans** ||**Apes** ||
 * Spine exits from center of skull ||exits rear ||
 * Spine is S-shaped ||Slight curve ||
 * Bowl shaped pelvis ||Longer and more narrow ||
 * Femurs angle inward ||Outward ||
 * Knee supports more weight ||Less weight ||