ENT 100 Lecture Notes - Lecture 9: Reproductive Isolation, Carl Linnaeus, Speciation
Document Summary
Systematics: study of the diversity of organisms and how they"re related. The discovery and description of species and their placement in a higher classification. A species is defined by unique combinations of characteristics, structural features, or discontinuities in structure between groups of organisms. Not always clear whether structural features are primitive. A population that is reproductively isolated from another population. Long generation times: how would you know if it takes twenty years to mature. Museum specimens - may never see organism alive in the field. Family information is usually more helpful for insects. Members of a species share specialized features that separate them from other groups. Define species in practice - emphasize diagnosis and distinction. Evolution of reproductive isolation between populations of the same thing. Aristotle developed the first principles of biological classification. Principles of biological classification formalized in europe in. Every species is binomial, and it is always italicized or underlined.
