Evolution Is there enough evidence to support evolution as a theory? I.

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Presentation transcript:

Evolution Is there enough evidence to support evolution as a theory? I.

Standards: BI. 8. a. Students know how natural selection determines the differential survival of groups of organisms. BI. 8. a. Students know how natural selection determines the differential survival of groups of organisms. BI. 8. b. Students know a great diversity of species increase the chance that at least some organisms will survive major changes in the environment BI. 8. b. Students know a great diversity of species increase the chance that at least some organisms will survive major changes in the environment BI. 8. e Students know how to analyze fossil evidence with regard to biological diversity, episodic speciation, and mass extinction. BI. 8. e Students know how to analyze fossil evidence with regard to biological diversity, episodic speciation, and mass extinction.

Objectives: Explain how natural selection determines the differential survival of groups of organisms. Explain how natural selection determines the differential survival of groups of organisms. Analyze multiple sources of evidence for evolution. Analyze multiple sources of evidence for evolution. Explain how a great diversity of species increase the chance that at least some organisms will survive major changes in the environment Explain how a great diversity of species increase the chance that at least some organisms will survive major changes in the environment Analyze fossil evidence with regard to biological diversity, episodic speciation, and mass extinction. Analyze fossil evidence with regard to biological diversity, episodic speciation, and mass extinction.

Questions About Our Origins How did the universe form? How did the universe form? How did our galaxy form? How did our galaxy form? How did the sun and Earth form? How did the sun and Earth form? How/where did life start? How/where did life start? How did all the life forms on Earth develop? How did all the life forms on Earth develop? Where do humans come from? Where do humans come from?

(Misconceptions)Evolution… is NOT something you believe in is NOT something you believe in does NOT undermine religion or existence of God. does NOT undermine religion or existence of God. is NOT something that only occurred in the past. is NOT something that only occurred in the past. is NOT something that happens to individuals. is NOT something that happens to individuals. does NOT have any evidence against it. does NOT have any evidence against it.

What is evolution? A changes in a species over time A changes in a species over time process of biological change by which descendents come to differ from their ancestors. process of biological change by which descendents come to differ from their ancestors.

What evidence is there for evolution? Fossils Fossils Geologic Geologic Age of the Earth Age of the Earth Anatomy and Physiology Anatomy and Physiology Molecular (DNA, “primordial soup”) Molecular (DNA, “primordial soup”)

Summary Questions: What are some of the misconceptions about evolution? What are some of the misconceptions about evolution? What is evolution? What is evolution? What are some of the sources of evidence for evolution? What are some of the sources of evidence for evolution?