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GENERAL BIOLOGY
What is Biology ????
The science of life and of living
organisms, including their
structure, function, growth, origin, and
distribution.
Biology includes Microbiology, Botany and
Zoology and all their subdivisions.
Anatomy
Microbiology
               Gross structure
Virology
Bacteriology                               Physiology
Mycology                                   gross function




                                               Cell biology
Botany
plants         Biology                         cells




                                 Biochemistr
                                 y
     Zoology     Genetics        /Molecular
     animals     Inheritance     Biology
                                 molecules
Biology: The Science of Life
• Why do we study life?

• How do we study life?
•     -- a matter of scale - -
• size and time
•     -- chemistry & physics --

• Which ideas & concepts guide    Oldest known fossil of
                                     cyanobacteria.
  biologists?
Themes in the Study of Life
• 1. Levels of organization:
   – The difference between living and non-living is
      one of degree, not kind.
       What does this mean?

   – The cell is life’s basic unit of structure and
     function
      What is a cell?
      List one example that illustrates the
        interdependence of structure and function.
Cell Organelles
Cell
Tissues
Organs
Organ
Systems

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General biology

  • 2. What is Biology ???? The science of life and of living organisms, including their structure, function, growth, origin, and distribution. Biology includes Microbiology, Botany and Zoology and all their subdivisions.
  • 3. Anatomy Microbiology Gross structure Virology Bacteriology Physiology Mycology gross function Cell biology Botany plants Biology cells Biochemistr y Zoology Genetics /Molecular animals Inheritance Biology molecules
  • 4. Biology: The Science of Life • Why do we study life? • How do we study life? • -- a matter of scale - - • size and time • -- chemistry & physics -- • Which ideas & concepts guide Oldest known fossil of cyanobacteria. biologists?
  • 5. Themes in the Study of Life • 1. Levels of organization: – The difference between living and non-living is one of degree, not kind. What does this mean? – The cell is life’s basic unit of structure and function What is a cell? List one example that illustrates the interdependence of structure and function.