Biological Classification
by Prarthana R
1. initial efforts of classification
1.1. ARISTOTLE (father of biology)
1.1.1. animals
1.1.1.1. enaima
1.1.1.2. anaima
1.1.2. plants
1.1.2.1. herbs
1.1.2.2. shrubs
1.1.2.3. trees
1.2. CAROLUS LINNAEUS
1.2.1. kingdom plantae
1.2.2. kingdom animalia
2. Three domain classification/Six kingdom classification(Carl Woose, 1990)
2.1. Archae
2.2. Bacteria
2.3. Eukarya
3. Five kingdom classification(R.H.Whittaker)
3.1. Monera
3.1.1. Archaebacteria
3.1.1.1. Methanogens
3.1.1.2. Halophiles
3.1.1.3. Thermoacidophiles
3.1.2. Eubacteria
3.1.2.1. based on staining behavior
3.1.2.1.1. gram positive bacteria
3.1.2.1.2. gram negative bacteria
3.1.2.2. based on structure
3.1.2.2.1. coccus/cocci(spherical)
3.1.2.2.2. Bacilli(rod shaped)
3.1.2.2.3. Spirillum(spiral)
3.1.2.2.4. Vibrio/vibrium(comma shaped)
3.1.2.3. based on nutrition
3.1.2.3.1. Autotrophic
3.1.2.3.2. Heterotrophic
3.1.2.4. based on reproduction
3.1.2.4.1. Binary fission
3.1.2.4.2. spores
3.1.2.4.3. gene recombinition
3.1.3. Mycoplasma