Key Concepts
Living Organism
Virus VS Bacteria
| Virus | Bacteria | |
|---|---|---|
| 1. | Smaller | Bigger |
| 2. | Protein Coat & Envelope(Spiky outer skin) | Cell Wall & Complex Structure |
| 3. | Can‘t Reproduce | Can Reproduce |
| 4. | Contain DNA and Enzymes | ontain DNA and Enzymes |
Differentiation
It‘s sorta like a cell divide into many cells or it change into other kinds of cells.
Stem Cells are undifferentiated and can be any type of cell
Cell Tissue Organ Organ System and Organism
| Name | Intro |
|---|---|
| Cell | Basic structural and functional unit of aliving organism |
| Tissue | Group of cells with smilar structures,working together to perform a shaerd function |
| Organ | Structure made up of a group of tissues, working together to perform specific functions |
| Organ System | Groups of organs with related functions, working together to perform body functions |
| Organism | Living things performing all seve life process |
原文：https://www.cnblogs.com/zplqwq/p/15087769.html