Slide 1Chapter 3 Time and Geology Slide 2 Geochronology The science that deals with determining the ages of rocks is called geochronology. Slide 3 Methods of Dating Rocks…

1.Chapter 25The History of Life on Earth12. Overview: Lost WorldsPast organisms were very different from those now aliveThe fossil record shows macroevolutionary changes…

1. THE MEASURE OF BIODIVERSITY 2. How do we define ‘biodiversity’?  The sum of all biotic variation from the level of genes to ecosystems.  The number, variety,…

III Jornadas Internacionales sobre Paleontología de Dinosaurios y su Entorno Salas de los Infantes, Burgos The Origin of the Dinosaurs El origen de los dinosaurios M. J.…

Slide 1 The Geologic Time Scale Slide 2 Based on their interpretations of the rock record, geologists have divided Earth’s 4.56 billion-year history into units that represent…

Slide 1 Chapter 23 Review The Paleozoic, Mesozoic, and Cenozoic Eras Slide 2 When there is no tectonic activity along the edge of a continent, the edge is referred to as…

Slide 1 Metapopulations I. So far, we have looked at populations with the assumption of geographic closure: no immigration, no emigration What if we relax that assumption?…

Slide 1 Tracing Evolutionary History Slide 2 Macroevolution Slide 3 Dating Prehistoric Material Radioactive Isotopes Carbon 14 Potassium 40 Slide 4 Continental Drift Slide…

Slide 1 B1b 7 Evolution 7.3 Natural selection Slide 2 Learning objectives Understand how natural selection works Understand how natural selection works Know what a mutation…

Slide 1 Lehra Bogino, Justin Drake, Kellie Snooks Slide 2  Adaptive radiation is the evolution of an animal or plant group into a wide variety of types adapted to specialized…