Cell Theory

Cell Theory

graph TB A[Cell Theory] A --> B1[All living things are composed of cells] A --> B2[Cells are the basic units of structure and function in living things] A --> B3[New cells are produced from existing cells] B1 --> C1[Discovery by Robert Hooke] B1 --> C2[Further studies by Anton van Leeuwenhoek] B2 --> D1[Cellular Organization] B2 --> D2[Metabolism] B2 --> D3[Homeostasis] B3 --> E1[Mitosis] B3 --> E2[Meiosis]