Slide 1 Slide 2 Charles Darwin (1809-1882) & Alfred Wallace (1823-1913) British Naturalists Slide 3 Foundations of Darwinism Darwin and Wallace independently came up…

Slide 1 Chapter 13 Evolution and Natural Selection Slide 2 Evolution Evolution is a change in the frequency of genetically determined characteristics within a population…

Slide 1 E VOLUTION AND N ATURAL S ELECTION Change over time… Slide 2 G EOLOGY Began to study rock layers called strata George Cuvier Studied fossils Found extinct species…

Slide 1 Slide 2 As the 19th century dawned, it was generally believed that species had remained unchanged since their creation However, a few doubts about the permanence…

Slide 1 Evidence of Evolution Slide 2 Voyage of the Beagle Charles Darwin’s observations on a voyage around the world led to new ideas about species Slide 3 Voyage of the…

Slide 1 Biology Slide 2 1. Cluster of events at the more resent end of the timeline. Few, widespread events at the deep time end of the timeline. 1. Geological events preceded…

Slide 1Chapters 16 and 17 Slide 2  Natural phenomena that occurred in the past can be explained by ______________________ _______________________________________ _____________________________________…

Slide 1The Theory of Evolution Let’s Look at What Darwin was Thinking Slide 2 What is Evolution? Evolution is…. Slide 3 How Long is “A Change Over Time”? Individuals…

Slide 1 Chapter 15 Slide 2 Darwin became a naturalist on the HMS Beagle in 1831 and took a 5 year journey around the world. Darwin made many observations and collected evidence…

Slide 1 We’ve already learned through example and models why biodiversity is important. Let’s define the various types of biodiversity, however, since there are many:…