Cosmos
Layers of complexity in life's order.
|
top of the stairs |
| planets | |
| biomes | |
| species | |
| organs | |
| cells | |
| organelles, mitochondria | |
| molecular | |
| elements | |
| atomic neutrons, protons, electrons | |
| subatomic quarks, leptons, bosons | |
| bottom of the stairs |
