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What Two Fields of Study Did the Scientist Robert MacArthur

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What two fields of study did the scientist Robert MacArthur combine?


Definitions:

Allergic Reaction

An immune system response to a foreign substance that is typically not harmful to the body, such as pollen, pet dander, or certain foods.

Market Segments

Divisions within a market that are identified by specific needs and characteristics, allowing for targeted marketing strategies.

Profit

The money left after a for-profit organization subtracts its total expenses from its total revenues and is the reward for the risk it undertakes in marketing its offerings.

ROI

Return on Investment, a financial metric used to measure the efficiency and profitability of an investment.

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