WA.1. Systems (SYS)
2-3.SYS. Role of Each Part in a System
2-3.SYSC. Students know that a whole object, plant, or animal can do things that none of its parts can do by themselves.
2-3.SYSC.1. Students are expected to contrast the function of a whole object, plant, or animal with the function of one of its parts (e.g., an airplane can fly, but wings and propeller alone cannot; plants can grow, but stems and flowers alone cannot).
2-3.SYSE. Students know that similar parts may play different roles in different objects, plants, or animals.
2-3.SYSE.1. Students are expected to identify ways that similar parts can play different roles in different systems (e.g., birds may use their beaks to crack seeds while other birds use their beaks to catch fish).