Biology worksheet on biochemical evidence for evolution, featuring a table and graph for comparing amino acid sequences in humans, gorillas, and horses.
A biology worksheet titled "Biochemical Evidence for Evolution" on a white paper, placed on a laptop keyboard. The worksheet includes text, a table labeled "Table 39-1. Number of Amino Acid Sequence Differences" with columns for "Organisms" and "Number of Differences," and a blank graph with grid lines for plotting data. The page is numbered 191.