| A | B |
|---|
| cytoplasm doubles | G2 |
| centrioles start to form | prophase |
| the DNA doubles | S |
| spindle fibers begin to contract (shorten) | Anaphase |
| the shortest phase the cell cycle | cytokinesis |
| a group organs working together | organ system |
| Nuclear membranes reforms one at each side | telophase |
| organelles double | G1 |
| chromosomes coil up | prophase |
| chromosomes split apart and move to opposite sides of the cell | anaphase |
| chromosomes meet in the middle | metaphase |
| spindle fibers attach to the chromosomes | metaphase |
| chromosomes uncoil and relax | telophase |
| cells working together to do a specific function | tissue |
| the longest phase of the cell cycle | interphase |
| cells actually split apart | cytokinesis |
| a group of tissues working together | organs |
| animal cells | create two identical but separate cells |
| plant cells | the cell split apart but creates a plate that keeps it attached to the mother cell |
| group of organs working together | organ system |
