1.Models of Speciation & Macroevolution Mark McGinley Associate Professor Honors College and Department of Biological Sciences Texas Tech University2. Allopatric Speciation…

Slide 1 Macroevolution A change of one species into an entirely new species! **Macroevolution encompasses the grandest trends and transformations in evolution, such as the…

Slide 1 Speciation How are new species created? Slide 2 What is a species? According to the biological species concept, a species is a group whose members can breed with…

Slide 1 Slide 2 Slide 3 What is a species? It can seem obvious when two individuals are of different species, e.g. the lion and the tiger. What about the Bengal tiger and…

Speciation How does a population evolve into separate species? Adapted from: Evolution 101: Reproductive Isolation. University of California Museum of Paleontology, http://evolution.berkeley.edu/evolibrary/article//evo_44…

Climate Change and Speciation Climate Change and Speciation How Do New Species Evolve? Speciation: one species splits into two or more species Geographic isolation: happens…

Mechanisms for Evolution Mechanisms for Evolution NO EVOLUTION!!! DNA NEGATIVE MANY COMBINATIONS INDEPENDENT OVER CROSSING OVER CREATES GENETIC VARIATION Variation is NECESSARY…