This will be an attempt at providing a basic introduction into biology.
1: Molecular basics of biology
1.1) Water and basic chemistry
1.2) Cell membranes
1.3) Cell organelles
1.4) Biological molecules
2: Basics of organisms
2.1) Differences between types of organisms
2.2) Plants
2.3) Animals
2.4) Bacteria
2.5) Archaea