This figure shows the process of clonal selection and clonal expansion in the vertebrate adaptive immune system. Describe two steps in this process that resemble evolution by natural selection. 
Definitions:
Current Year Financial Statements
Financial reports such as the balance sheet, income statement, and cash flow statement that reflect the company's financial performance and position for the ongoing fiscal year.
Adjusting Entries
Journal entries made at the end of an accounting period to update account balances before preparing financial statements.
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