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Imagine that a taxonomist is provided with several flashcards on which the names of different species are written. She would likely organize these flashcards to construct a phylogenetic tree. To do this, would she pay attention to which species belong to which genus or class?
Cattle
Domesticated large mammals bred by humans for purposes like milk, meat, leather, and labor.
Wheat
A cereal grain considered a staple food across the globe, used to make products like bread, pasta, and other foods.
Opportunity Cost
The value of the best alternative that is not chosen, to illustrate the trade-offs associated with any decision.
Crude Oil
A natural, unrefined petroleum product composed of hydrocarbon deposits.
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