Growing in the shade. Ability to grow in shade may help pines found in the dryforests of

Chapter 0, Problem 9.2

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Growing in the shade. Ability to grow in shade may help pines found in the dryforests of Arizona resist drought. How well do these pines grow in shade?Investigators planted pine seedlings in a greenhouse in either full light, lightreduced to 25% of normal by shade cloth, or light reduced to 5% of normal. Atthe end of the study, they dried the young trees and weighed them. What are theindividuals, the treatments, and the response variable in this experiment?

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