Slide 1 : SUBROTO BISWAS Ph.D
AMAN BISWAS Ph.D DOCTRINES AND THEORIES
IN
BIOLOGY
Slide 2 : CONTRIBUTIONS
and
CONTRIBUTORS
‘All plants and animals are composed of cells’ : ‘All plants and animals are composed of cells’ Dutrochet H .J .
Apical Cell Theory of apical meristems : Apical Cell Theory of apical meristems Hofmeister
Artificial system of clssification : Artificial system of clssification Aristotle
Biogenesis(theory of movement ) : Biogenesis(theory of movement ) Robert Brown
Biological Species Concept : Biological Species Concept Dobazansky
and
Meyer
Binomial nomenclature : Binomial nomenclature Carolus Linnaeus is a name in Latin, his actual name is Carl von Linne.
He created his own name to match his latin classification system.
He is the Father of taxonomy.
‘Birds are glorified reptiles’ : ‘Birds are glorified reptiles’ Huxley
Cascade Effect : Cascade Effect Sutherland
Cell Theory : Cell Theory Matthias Schleiden (1838) was German Botanist the viewed plant parts under a microscope and discovered that plant parts are made of cells. He is considered to be the co-founder of cell theory together with Schwann, with whom he consulted Theodor Schwann (1839) was a German Biologist who viewed animal parts under a microscope and discovered that animals were made up of cells. He extended Schleiden's cell theory in plants to animals, stating that all living things are composed of cells
Slide 12 :
Central Dogma of Molecular Genetics : Central Dogma of Molecular Genetics Crick
Chemosynthetic Theory : Chemosynthetic Theory Oparin
Chromosomal Theory of inheritance : Chromosomal Theory of inheritance Sutton and Boveri
Chromosomal Theory of Linkage : Chromosomal Theory of Linkage Morgan and Castle
Cohesion Theory of Ascent of Sap : Cohesion Theory of Ascent of Sap Dixon and Jolly
Conditioned Reflex : Conditioned Reflex I .V . Pavlov
What is Conditioned Reflex ? : What is Conditioned Reflex ?
Cosmozoic Theory (Theory of Panspermia) : Cosmozoic Theory (Theory of Panspermia) Richter
Coupling and Repulsion Theory : Coupling and Repulsion Theory Bateson and Punnet
Discovery of Honeybee dance : Discovery of Honeybee dance Von Frisch
Five Kingdom classification : Five Kingdom classification Whittaker, Robert H.
Descent with Modification : Descent with Modification Darwin
The End : The End