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BIOL 2300 MIDTERM 1QUESTIONS WITH CORRECT ANSWERS

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BIOL 2300 MIDTERM 1QUESTIONS WITH CORRECT ANSWERS

Institution
BIOL 2300
Course
BIOL 2300

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Hardy-Weinberg principle


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the genetic composition (allele frequencies) within a population does not
change (evolution does not occur) unless one of the 5 rules are broken




Finishing pressure can significantly change the genetic composition of populations in
________ years


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20-50

,Terrestrial environments have a _______ degree of microclimate variability


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Higher




Climate definiton


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long-term average pattern of weather




Homeostasis


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Ability to maintain constant internal conditions in a varying environment
-Always involves negative feedback




Two factors for individual variation:


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Genotype and Phenotype

,disruptive selection


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when individuals at the upper and lower ends of a
distribution curve have higher fitness than individuals near
the middle




alternative hypothesis


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prediction of change in the relationship




Ectotherms must _________ generate heat


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behaviorally




Define torpor


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, Temporary reduction in metabolic activity and lowered body temps




Individuals: physiological ecology


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individual responses to abiotic environment




Two places where aquatic environments obtain O2


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Atmosphere and plants




Define reaction norm


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Relationships between response of a continuously varying trait and
environmental conditions




allopatric speciation


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Institution
BIOL 2300
Course
BIOL 2300

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