173f08q2 - Bio173,F08Quiz2 GSI_ Name_ 1a. Define...

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Bio173, F08 Quiz 2 GSI ________________________ Name ________________________ 1a. Define intraspecific competition and give an example of two pots from the Plant Interaction lab that would show its effect. (two points) b. Explain the Competitive Exclusion Principle, which says that two species cannot coexist if limited by the same resource. (three points) c. Addition of fertilizer in natural plant communities increases the growth of individual plants but reduces the number of different species present. Offer an hypothesis to explain this. Is this consistent with, or in contradiction to, the Competitive Exclusion Principle? (three points) 2. In experiments like the Plant Interaction lab, one compares average (mean) results for one condition to average results for another. Several factors affect the significance of the results. These factors are plugged into formulas and used to calculate T-scores and P-values. a. First of all, what makes a result more significant (less likely to be due to chance)?
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173f08q2 - Bio173,F08Quiz2 GSI_ Name_ 1a. Define...

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