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Campbell Biology | 10th Edition | ISBN: 9780321775658 | Authors: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
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A plant biologist observed a peculiar pattern when a tropical shrub was attacked by

Chapter 39, Problem 10

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QUESTION:

A plant biologist observed a peculiar pattern when a tropical shrub was attacked by caterpillars. After a caterpillar ate a leaf, it would skip over nearby leaves and attack a leaf some distance away. Simply removing a leaf did not deter caterpillars from eating nearby leaves. The biologist suspected that an insectdamaged leaf sent out a chemical that signaled nearby leaves. How could the researcher test this hypothesis?

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QUESTION:

A plant biologist observed a peculiar pattern when a tropical shrub was attacked by caterpillars. After a caterpillar ate a leaf, it would skip over nearby leaves and attack a leaf some distance away. Simply removing a leaf did not deter caterpillars from eating nearby leaves. The biologist suspected that an insectdamaged leaf sent out a chemical that signaled nearby leaves. How could the researcher test this hypothesis?

ANSWER:


The researcher could set up a test by covering half a leaf with plastic and exposing the other half. The researcher could then place caterpillars

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