Select from: 1). tail fins 2). our star 3). the eyes 4). vision 5). mating 6). Flowers 7). bushes 8). alpacas
Given those answer options, answer the question: Fact 1: Mating is generally preceded by courtship. Fact 2: Courtship is similar across species. Given the two facts above, what is generally similar across species?
A:
5).