Chapter 15 Study Guide Tracing Evolutionary History A close relationship between birds and dinosaurs was first proposed in the nineteenth century after the discovery of the primitive bird Archaeopteryx in Germany Macroevolution and Earth’s History • Briefly describe the history of life on Earth, noting the major eras, when they occurred, and which types of life were most abundant. • Describe the key events that occurred at the boundaries of eras. • Distinguish between the relative age and absolute age of a fossil. • Explain how radiometric dating is used to determine the age of rocks and fossils and when carbon-14 and potassium-40 are most appropriately used. • Describe the process of continental drift, and explain its significance to the history of life on Earth. • Explain how mountains, volcanoes, and earthquakes are a consequence of plate tectonics. • Describe the causes, frequency and consequences of mass extinctions over the past 600 million years.
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This note was uploaded on 04/05/2012 for the course BIOL 101 taught by Professor Lexicon during the Spring '11 term at Ohlone.