GENERAL 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.

What is Biology ????

Biology

MicrobiologyVirologyBacteriologyMycology

AnatomyGross structure

Physiologygross function

Cell biologycells

GeneticsInheritance

Zoologyanimals

Botanyplants

Biochemistry/Molecular Biologymolecules

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 biologists?

Oldest known fossil of cyanobacteria.

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