Biology

Biology is the study of living things and their function, structure, growth, evolution, distribution and taxonomy.

The word biology comes from the Greek word bios which means "life" and the suffix –logia which means "study of".

Other sciences like chemistry and physics often overlap with biology to conduct investigations. This integration give birth to biochemistry and biophysics.

Principles of Biology
As it is a broad study, it is subdivided into branches with its own specified scope of study. Although subdivided, they are founded by these unifying principles of biology.


 * Cell Theory - This concept states that cell is the basic life unit and all living things are composed of one or more cells.
 * Evolution - Life is constantly changing and developing through evolution. And all living things come from a common origin.
 * Genetics - All organisms have genes, the primary units of heredity. Genes correspond to a DNA region which influences the structure and function of an organism.
 * Homeostasis - Unicellular or multicellular living organisms are capable of homeostasis. It is the ability of our system to regulate and maintain stable conditions of our internal bodies through adjustments in dynamic equilibrium.
 * Energy - A living thing’s survival depends on its constant input of energy. Energy are extracted from food by the chemical reactions done and transformed them to form and sustain new cells.

Main Branches of Biology

 * Aerobiology
 * Agriculture
 * Anatomy
 * Arachnology
 * Astrobiology
 * Biochemistry
 * Bioengineering
 * Biogeography
 * Bioinformatics
 * Biomathematics
 * Biomechanics
 * Biomedical research
 * Biomusicology
 * Biophysics
 * Biotechnology
 * Building biology
 * Botany
 * Cell biology
 * Conservation biology
 * Cryobiology
 * Developmental biology
 * Ecology
 * Embryology
 * Entomology
 * Environmental biology
 * Epidemiology
 * Epigenetics
 * Ethology
 * Evolutionary biology
 * Genetics
 * Hematology
 * Histology
 * Ichthyology
 * Integrative biology
 * Limnology
 * Mammalogy
 * Marine biology
 * Microbiology
 * Molecular biology
 * Mycology
 * Neurobiology
 * Oncology
 * Ornithology
 * Population biology
 * Population ecology
 * Population genetics
 * Paleontology
 * Pathology
 * Parasitology
 * Pharmacology
 * Physiology
 * Phytopathology
 * Psychobiology
 * Sociobiology
 * Structural biology
 * Synthetic biology
 * Virology
 * Zoology