Human+Evolution+Kr

=Evolution Chapter=

22.3 Classification of Humans (p.475-477)

 * 1. How are humans classified from domain to species?**
 * Domain -Eukarya
 * Kingdom -Animialia
 * Phylum-Chordata
 * Class-Mammalia
 * Order-Primates
 * Family-hominidae
 * Genus-Homo
 * Species-Homo sapien
 * 2. What are the characteristics of primates?**
 * developed brain, and have addapted to live in tress
 * 3. What major differences exist between the chimpanzee skeleton and the human skeleton?**
 * human spines exits from the center, ape spine exits from rear of skull
 * human spine is S shaped, ape spine has a slight curve
 * human pelvis is bowl shaped, ape pelvis is longer and more narrow

22.4 Evolution of Hominids

 * 4. Which fossil hominid is the oldest of the australopithecines?**
 * Lucy
 * 5. Which hominid is the first to have culture? Explain.**
 * The homo habilis because it the early homo skulls suggest that portions of the brain associated with speech areas were enlarged. This shows they could have communicated, and might have had culture.
 * 6. Which hominid was the first to migrate out of Africa?**
 * Homo eragster
 * 7. How might //Homo habilis//, living 2 MYA, have differed from the austropithecines?**
 * The can speak
 * 8. How might //Homo erectus//, living about 1.9-1.6 MYA, have differed from //Homo habilis//?**
 * homo erectus has a larger brain, flatter face, and a projected nose
 * homo erectus are taller
 * Had Fire
 * 9. What is the out-of-Africa hypothesis and what bearing does it have on the evolution of humans?**
 * proposes that homo sapiens evolved from homo erectus only in Africa, and thereafter homo sapiens migrated to Europe and Asia about 100,000 years before present.
 * This shows that human life was born in Africa.
 * 10. How do Cro-Magnons, the first of the modern humans differ from the other species in the genus Homo?**
 * first to throw spears
 * big hunters
 * first to make knife-like blades
 * may be responsible of extinction of many large animals
 * may be first to have a language
 * culture included art