Match the characters from Edgar Lee Masters’ poems with the descriptions of their experiences.

The middle stanza of “The Bean Eaters” reads as follows: “Two who are Mostly Good./Two who have lived their day,/But keep on putting their clothes/And putting things away.” How does this stanza contribute to the meaning of the poem as a whole?

Match the character types to the characters from the poem “A Bronzeville Mother Loiters in Mississippi. Meanwhile a Mississippi Mother Burns Bacon.”

Which of the following could result in various all-directional scatter?

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Between the third and ninth centuries, the ________ civilization founded dozens urban centers scattered throughout the Yucatán Peninsula, Belize, Guatemala, and Honduras.

Individuals can evolve during their lifetime.

Based on the previous question, what would be the frequency of a in the next generation, taking into account the mutation rate?

There is a mathematical way to demonstrate whether evolution has occurred. 

Tay–Sachs disease is an autosomal recessive disorder. Homozygous recessive individuals lack a key enzyme called hexosaminidase A, which presents as progressive mental and motor deterioration until death occurs around age 5. Heterozygous individuals, known as Tay–Sachs carriers, typically do not develop symptoms of the disease. Tay–Sachs disease was historically more prevalent within populations of Ashkenazi Jews, Pennsylvania Dutch, southern Louisiana Cajuns, and eastern Quebec French Canadians. Today, individuals descended from these populations are more likely to be carriers of the Tay–Sachs allele; however, genetic testing within these populations has largely eliminated the occurrence of Tay–Sachs disease. For a randomly mating population, calculate the Tay–Sachs frequency, which is the frequency of the recessive allele, if 1 in 3,600 individuals develops Tay–Sachs disease. (Use four decimals in your calculations.)