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Biological Evolution

Biological Evolution

Biological Evolution. Biological Evolution. Biological Evolution. How Do We Know Which Organisms Lived in the Past?. Our knowledge about past life comes from fossils, chemical analysis, cores drilled out of buried ice, and DNA analysis. Figure 4-4.

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1.32k views • 81 slides
Chapter 4

Chapter 4

Chapter 4. Evolution and Biodiversity. Evolution. Microevolution Change over time in genetic make up of a species Macroevolution (biological evolution) Change over time from one organism to another Theory of Evolution Macroevolution Natural selection.

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552 views • 38 slides
LT1: Chapter 4

LT1: Chapter 4

LT1: Chapter 4. Evolution and Biodiversity. Core Case Study Earth: The Just-Right, Adaptable Planet. During the 3.7 billion years since life arose, the average surface temperature of the earth has remained within the range of 10-20 o C. Figure 4-1. ORIGINS OF LIFE.

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354 views • 35 slides
Evolution and Biodiversity

Evolution and Biodiversity

Evolution and Biodiversity. Chapter 4. Key Concepts. Origins of life Evolution and evolutionary processes Ecological niches Species formation Species extinction. How Did We Become Such a Powerful Species So Quickly?. Adaptive traits Human weaknesses Opposable thumbs Walk upright

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400 views • 29 slides
Section 4-5 What is the future of evolution?

Section 4-5 What is the future of evolution?

Section 4-5 What is the future of evolution?. Genetic Engineering. Artificial Selection and Genetic Engineering. Artificial Selection: to change (selectively manipulate) the genetic characteristics of populations of a species.

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294 views • 12 slides

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