Essay
Species that produce chemicals for whatever reason pay a price. Whether the chemical allows them to be a more effective prey (i.e., less likely to be taken by a predator) or a better competitor, the chemical produced by the organism has a cost that must be accounted for and could have been used for other purposes (i.e., reproduction). Discuss the costs associated with garlic mustard's production of the chemical sinigrin. How should the production of the chemical change as the species residency time in a particular forested area increases? Why would this change in production make sense?
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