Bio 111 - Lecture 2

Bio 111 - Lecture 2 - Biology 111 Lecture 2 Biological...

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Biology 111 Lecture 2 - Biological Classifcations September 5, 2007 I. Introduction - people need things in categories - the “things” are “species” - the species are natural entities II. Species Concepts A. Morphological Species - defnes species by Features (diFFerences and Familiarities) - color, shape, size, etc. .. - Morphological Defnition - smallest groups are distinguishable by ordinary means (persistently and consistently) - every individual is consistently distinguishable From other species - every species is persistently distinguishable across seasons, generations, and centuries - “Distinguishable” means inherited traits B. Genetic Species Concept - a group oF inter-breeding organisms that don " t usually breed with other groups successFully - sterile vs. non-sterile - relationship between morphology and genetic concepts - organisms are morphologically diFFerent because the species can " t breed III. Scientifc Naming A. Why Naming? 1. Many common species are ambiguous
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This note was uploaded on 09/11/2008 for the course BIO 111 taught by Professor Parfitt during the Fall '07 term at Michigan Flint.

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Bio 111 - Lecture 2 - Biology 111 Lecture 2 Biological...

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