Do Now 8/19/11 How does the existence of homo-sapiens (100,000 years ago) compare to the length of the earth? How does the impact humans have had on the.
Evidence for Evolution 1. Evidence Evidenceof common ancestry among species comes from many sources. Evidence of common ancestry among species comes from.
Chapter 4 Opener Skeletal remains of the Pliocene hominin Australopithecus afarensis Evolution and the fossil record Today: phyletic evolution or anagenesis.
Chapter 14 The History of Life
How do we know the age of the Earth? Two methods are used by Scientists to determine the age of earth. relative dating of fossils and rock layers radioactive.
1 st /2 nd /4 th Review Project Collection #2
