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BIOL 215 Study Guide - Quiz Guide: Exponential Growth, Lestidae, Metapopulation


Department
Biology
Course Code
BIOL 215
Professor
Hans Larsson
Study Guide
Quiz

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Biology'215:'Assignment'2'Answer'Key'
QUESTION'1'
A)''
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!
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Marks':!Correctly!labelling!isoclines!on!the!graph!with!numbers!for!K1,!K2,!K1/alpha,!and!
K2/beta!(1!point)!
!
Outlining!3!possible!outcomes:!unstable!coexistence,!species!1!is!competitively!
excluded,!and!species!2!is!competitively!excluded!(1!point)!
!
Emphasizing!that!the!populations!will!not!coexist!for!long!because!small!random!
variations!in!the!environment!will!push!the!relative!abundances!of!the!species!away!
from!this!point!(does!not!simply!depend!on!the!original!population!size/starting!
position)!(1!point)'
N1
N2
27.3!
7.8!
13!
35!

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B)'
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Marks':!Correctly!identifying!the!new!beta!and!K2/beta!(1!point)!
!!
Stating!that!species!2!wins!and!will!competitively!exclude!species!1!(1!point)!
N1
27.3!
7.8!
43.8!
35!
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