Macroevolution
Speciation How many species are there? All organismsJust animals In short, an awful lot!
Speciation How new species originate. Speciation (a.k.a macroevolution) There are two patterns of speciation as evidenced by the fossil record –Anagenesis.
Jeopardy Game Evolution Note – to see answers you must click on the Question # of the slide.
Biodiversity Studied in a relatively new field called Conservation Biology Consists of three components: 1.Species 2.Genes 3.Ecosystems.
Mechanisms of Evolution Chapter 16, 17.4, 32.3. Vocabulary 1.gene pool 2.relative frequency 3.single-gene trait 4.polygenic trait 5.directional selection.
The Origin of Species AP Biology Chapter 24. Objectives Distinguish between prezygotic and postzygotic isolating mechanisms. Recognize and differentiate.
Recall that biologists define a species as a group of organisms that breed with one another and produce fertile offspring. Members of the same species.
Speciation and Macroevolution Chapter 20. Learning Objective 1 What is the biological species concept? What is the biological species concept? List two.
Evolution of Populations 2010. The Modern Synthesis Population genetics integrates Darwinian evolution and Mendelian Genetics Important terms in population.
Macroevolution. Biological Species Concept Species are groups of actually or potentially interbreeding natural populations which are reproductively isolated.
The Origin of Species Chapter 22. The Nature of Species The concept of species must account for two phenomena: –The distinctiveness of species that occur.
