Inner layer 2. There are variations among individuals within all systems. Things can be sorted into groups according to their similarities and differences. 2.3b Groupings are based on similarities related to structure and function. Organisms are separated into groups according to identifying characteristics.
Some individuals operate independently of the system, while others operate as a collective group.
This classroom connector addresses Instructional Objectives 1.01, 1.02, and 1.03. You know that skeletons don't dance around by themselves. That's what we'll find out today. Our skeletons are made up of different bones. Bones are very hard and rigid.