Ch.24 origin of species
Speciation How many species are there? All organismsJust animals In short, an awful lot!
IV. The Process of Evolution A. Two types of evolution 1. Macroevolution – any change of a species over time into another. Any changes or “long-term” trends.
BIOE 109 Summer 2009 Lecture 11-Part II Speciation.
Speciation I.Microevolution and macroevolution II.Patterns of descent III.Species concepts A.Biological species B.Ecological species C.Morphological species.
Chapter 24 The Origin of Species (cont.). Questions to ponder Natural hybridization is common and hybrids are not uniformly unfit, they are genotypic.
Figure 24.0 A Galápagos Islands tortoise. Figure 24.1 Two patterns of speciation.
Speciation Creation of Unique Gene Pools. I. Introduction A. Microevolution vs. macroevolution – 1. microevolution a. Definition b. Example c. Importance.
Chapter 24 Notes The Origin of Species. There is more to evolution than just explaining how adaptations evolve in a population. Evolution must also explain.
Chapter 24 ~ The Origin of Species. What is a species? Morphological species concept (Linnaeus):Morphological species concept (Linnaeus): grouping based.
Speciation. What is Speciation? How does speciation occur? The formation of a species; when two or more species are created from an ancestral group Occurs.
Speciation
