BIOL202 - Study Guide - Lecture 4 - Interspecific Interaction + Interspecific Competition I

BIOL202 - Study Guide - Lecture 4 - Interspecific Interaction + Interspecific Competition I

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STUDY GUIDE: LECTURE 4 AN INTRODUCTION TO INTERSPECIFIC INTERACTIONS and INTERSPECIFIC COMPETITION I Text reading: Red/Black Campbell (7 th ed), pgs. 1164, 766-767, 620, 1159-1161, 1164 Black/Green Campbell (6 th ed), pgs 1180-1181, 628-629, 778-779, 1176-1177 Supplemental reading: Fredrickson, M.E., M.J. Greene, and D.M. Gordon. 2005. ‘Devil’s Garden bedevilled by ants. Nature 437: 495-496 (download from course website) Mini-movies: Posted on the course website – provide examples of commensalism Terminology : amensalism commensalism mutualism ecological niche performance curve zone of optimum vs. zone of physiological stress vs. zone of intolerance Questions, etc. : 1. Briefly describe the nature of the commensalistic interaction between two species in one of the minimovies posted on the course website. 2. What is the definition of "symbiosis" in your text (or given in lecture)? According to this definition, would a relationship between and endoparasite like a intestinal tapeworm and its host be an example of symbiosis? Some students are apparently taught in high school (as was dr j) that "symbiosis" means two species mutually benefiting one another. In other words, symbiosis is the same as "mutualism." This leads to some confusion. Two species involved in a mutualistic relationship can be symbionts
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BIOL202 - Study Guide - Lecture 4 - Interspecific Interaction + Interspecific Competition I

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