Biology 2460 Chapter 1

hippocrates

disease not caused by super natural, father of western medicine

thucydides

Athenian plague, father of scientific history

marcus terenitus varro

minute animals in swamps

antonie van leeuwenhoek

discovered animicules, known as father of microbiology

louis pastuer

fermentation, spoilage, and patuerization he also created the germ theory of disease.

rober koch

-koch’s postulates

-connected pathogens to disease

carlous linaeus

-developed the system of binomial nomenclature for classifying organisms.

-father of taxonomy and modern biological classification.

Taxonomy

-domian

-kingdom

-phylum

-class

-order

-family

-genus

-species

Ernest Haekel

-proposed 4 kingdoms

-added protist and monera to the classification system.

robert whittaker

-developed 5th kingdom

-added fungi

Carl woese & George fox

-introduced the three-domain system, classifying life into Archaea, Bacteria, and Eukarya.

-through RNA

Binomial nomenclature

– Written out in italics
– Genus is capitalized; species is lower case

Bergey’s Manual

guide for identifying microbes on various
methods for non-visual characteristics

Microbe size

atom < C60 < lipids < protein < virus < bacteria & mitochondria <RBC < animal & plant cell< pollen & human egg < frog egg

bacteria

-unicellular

-prokaryotic

-peptidoglycan well (some)

archaea

-unicellular

-prokaryotic

-psuedo-peptidoglycan wall

-algae

-unicellular/ multicellular

-prokaryotic

-cellulose wall

-protozoa

-unicellular

-prokaryotic

-no wall

fungi

-unicellular/ multicellular

-eukaryotic

-chitin wall

helminths

-multicellular

-eukaryotic

-no cell wall