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Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?
Computer Ownership
The state or fact of owning a computer, indicating possession and responsibility for the hardware.
Life Expectancy
The average period that an individual is expected to live, based on statistical averages of age, gender, and other factors.
Lurking Variable
A variable that is not directly measured or included in a study but can affect the relationship between the studied variables.
Per Capita Wealth
The average amount of wealth per person in a specific population or area, calculated by dividing total wealth by the population size.
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