For example, suppose you have a number of plants, and you decided to "group" them. You could decide that all the flowering plants are in one group, then sub divided those into blue, red and white flowers, then tall, medium and short, and so on. Your grouping could "imply" evolutionary relationships, but you probably never would say that all the
For example, suppose you have a number of plants, and you decided to "group" them. You could decide that all the flowering plants are in one group, then sub divided those into blue, red and white flowers, then tall, medium and short, and so on. Your grouping could "imply" evolutionary relationships, but you probably never would say that all the