Slide 1 10.4 KEY CONCEPT Evidence of common ancestry among species comes from many sources. Slide 2 The study of geography provides evidence of evolution. –island species…

The Theory of Evolution Darwin and the development of the theory What is a SPECIES? Group of similar organisms Structurally biochemically Can interbreed successfully in nature…

Evidence of Evolution Four clues support the theory of evolution Fossil Evidence Fossils allow scientists to show how species have changed over time. Fossil of a dinosaur…

Predictions From Darwinism Natural Selection is the only significant mechanism of evolution Evolutionary change is slow and gradual All evolutionary change is adoptive Macroevolution…

Evidence of Homology What causes the "struggle for existence"? Which animal has INCREASED fitness? Living in a dry, wooded area in the fall seasonâ¦.. Living…

The Theory of Evolution Darwin and the development of the theory What is a SPECIES? Group of similar organisms Structurally biochemically Can interbreed successfully in nature…