The study of Life, what it is, how it behaves and functions. Life includes some the most Complex systems known.

Map of biology

Description levels in biology

Systems biology. These levels form a nice hierarchy of Biological systems, which of course interact with and influence each other in crucial ways.

1. Biosphere
2. Ecosystem
3. Organism
4. Organ
5. Tissue
6. Cell
7. Organelles
8. Molecules

Levels 1,2: Ecology

Levels 2,3: Biodiversity & evolution, habitats

Evolution

Zoology, Botany, Ethology

Tree of life

Levels 4,5: Organismal biology

Developmental biology

Anatomy – Physiology

• Tissue (Biology) –> Organ systems

Levels 6,7: Cell biology

Levels 8: Molecular biology

General methods

Quantitative biology

Using statistics, etc.

http://quant.bio/

Mathematical biology

Experimental biology

Biotechnology

National Center for Biotechnology Information books

Biology crash course

Edx course

https://www.khanacademy.org/science/biology

http://ocw.mit.edu/courses/biology/7-01sc-fundamentals-of-biology-fall-2011/biochemistry/types-of-organisms-cell-composition/

Haloquadratum

http://bionumbers.hms.harvard.edu/

Cause and effect in biology - Ernst Mayr

http://www.biorxiv.org/