The Origin of Species Key Questions: How do existing species give rise to new species? How do species diversify? What does the “family tree” of species.
Speciation: How Species Form Lesson 6. SPECIATION Microevolution: changes in allele frequencies and phenotypic traits within populations and species;
Learning Goal
1 The Origin of Species Chapter 23. 2 Outline The Nature of Species Pre and Postzygotic Isolating Mechanisms Geography of Speciation Hawaiian Drosophila.
I. REPRODUCTIVE ISOLATING MECHANISMS in order for one population to become very different from another, they must be reproductively isolated, there are.
