Human+Evolution+GS

Chapters 1 and 22 Human Evolution (This is the last "wiki" assignment for the Inner Fish Unit. You should have four assignments: the Inner Fish articles, Chapter 2 Chemistry, Chapter 3 Cell Structure, Chapters 1 and 22 Human Evolution)

From Chapter 1 pages 6-7 1. What anatomical features tell us that humans are vertebrates and mammals? Humans are vertabrates because we have vertebrae. Humans are mammals because we have hair and mammary glands.

2. How do humans differ from other mammals, including apes? From Chapter 22 pages 475-477 Humans differ from other mammals in that we have highly developed brains, completely upright stance, creative language, and we have the ability to use a wide variety of tools.

3. How are humans classified? From Domain to Species. Humans are classified by Domain Eukarya, Kingdom Animalia, Phylum Chordata, Class Mammalia, Order Primates, Family Hominidae, Genus homo, and Species Homo sapiens.

4. What are the characteristics of primates? The characteristics of primates are mobile limbs, grasping hands, a flattened face, binocular vision, a large, complex brain, and a reduced reproductive rate.

5. What major differences exist between the chimpanzee skeleton and the human skeleton? 1. Human spine exists from the center; ape spine exists from rear of skull. 2. Human spine is S- shaped; ape spine has a slight curve. 3. Human pelvis is bowl- shaped; ape pelvis is longer and narrower. 4. Human femurs angle inward to the knees; ape femurs angle out a bit 5. Human knee can support more weight than ape knees.