Read the descriptions of rhyme schemes. Free verse: poetry that does not use a consistent rhyme scheme Iambic pentameter: a poetic rhyme scheme in which each rhyming line has ten syllables Blank verse: poetry that uses unrhymed iambic pentameter Rhyming couplets: a series of two consecutive lines that rhyme in a poem Based on the descriptions, what rhyme scheme does the poem "Harlem" use?