Cells are differentiated when A: They all perform the same function

B: They divide

C: they grow in size

D: genes are turned on or off

When creating a plan for the use of space in an early childhood educational setting, it is best to plan for clear passageways throughout the classroom. design only small, cozy spaces so that children feel safe. keep check-in and check-out areas outside the room. thoroughly conceal the toilet and hand-washing area for privacy.