What is a species when describing dolphins?
There is something basic to humans to try to categorize and organize things into clear categories. Once there is a system and a category to place each single thing then it seems easier to make sense of new and different items as they are discovered. This kind of activity is fundamental not only to science but it is even more deeply human because it underlies all kinds of human activities such as cooking, mechanics and gardening. There is a drive to make sense of chaotic co