<span>The excerpt from Leo Tolstoy's The Death of Ivan Ilyich, Ivan Ilyich use the Caius allusion to deal with his impending death when Ivan Ilyich regrets his wasted life and longs for the love of family and friends he has lost in the past. </span>
The factors that are common to both gradualism and punctuated equilibrium and punctuated equilibrium is an allele change and microevolution. The correct answer is B.
