While at the zoo, you notice a sign that reads "western lowland gorilla: gorilla gorilla." given your current understanding of scientific taxonomy and classification, what do these names stand for?

If a sign on thew zoo reads "western lowland gorilla: gorilla gorilla", these names represent something in scientific taxonomy. The term "western gorilla" is the common or English name of the organism. While gorilla gorilla is the scientific name, indicating the first term as the genus name (gorilla) and the second as the species name (gorilla).