Refer to the table showing several prokaryote (bacterial) species (labeled A-E) that have been sequenced, along with the findings of the genes they contain.(Note: "x" marks the species possessing a functional copy of the gene.) Gene 1 is essential for the synthesis of several amino acids.Gene 2 encodes a protein involved in strengthening the cell wall.Gene 3 produces an enzyme that breaks down methane.The functions of the other five genes are currently unknown. 
Species A and B are closely related, while the others are not.Which species pairs most likely exchanged genes?
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The duration for which a service is provided or expected to be provided, often used in the context of accounting for employee benefits or service contracts.
Compensation Cost
The total amount of monetary and non-monetary payments made to employees for their work or services.
Contributed Capital
Funds that investors provide to a company in exchange for equity, including the value of stock plus any additional paid-in capital.
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