The Origin and Evolution of Microbial Life _______________________________________________________________

Stromatolites _______________________________________________________________

Prokaryotes _______________________________________________________________

Review of Prokaryotes Lack nucleus and other membranous organelles Majority of DNA is a single large ring Amount of DNA transferred in reproduction varies Reproduce via binary fission Posses cell wall different from plants _______________________________________________________________

Earliest Life _______________________________________________________________

Bacteria & Archaea _______________________________________________________________

Prokaryote Shapes _______________________________________________________________

Modes of Nutrition _______________________________________________________________

Archaea Live in Extreme Environments _______________________________________________________________

Prokaryotic Survival Structures Cell wall Capsule Flagella Pili Endospores _______________________________________________________________

Flagella _______________________________________________________________

Pili _______________________________________________________________

Endospores _______________________________________________________________

Robert Koch _______________________________________________________________

Koch’s Postulates _______________________________________________________________

So, What Are We Getting At? How might Eukaryotic life have arisen? 2 theories Infolding of Plasma membrane Endosymbiotic hypothesis _______________________________________________________________

Membrane In-Folding Theory _______________________________________________________________

Endosymbiotic Theory _______________________________________________________________

Protists 4 Major Groups Protozoans (first animal) Slime molds Unicellular algae Multicellular algae Earliest protists were ancestral to plants animals and fungi _______________________________________________________________

Protozoans Amoebas Flagellates Apicomplexans Cilliates _______________________________________________________________

Amoebas _______________________________________________________________

Flagellates _______________________________________________________________

Apicomplexans _______________________________________________________________

Dinoflagellates _______________________________________________________________

Cilliates _______________________________________________________________

Slime Molds Single and multi-cellular life stages Thrown in with amoebas into amoebozoa Use pseudopodia 2 major types Cellular slime molds Plasmodial slime molds _______________________________________________________________

Cellular Slime Molds - 1 _______________________________________________________________

Cellular Slime Molds - 2 _______________________________________________________________

Cellular Slime Molds - 3 _______________________________________________________________

Plasmodial Slime Molds - 1 _______________________________________________________________

Plasmodial Slime Molds - 2 _______________________________________________________________

Plasmodial Slime Molds - 3 _______________________________________________________________

Stramenopiles Group named for use of “hairy” flagellum 3 major types Diatoms Brown algae Water molds _______________________________________________________________

Diatoms _______________________________________________________________

Brown Algae _______________________________________________________________

Green Algae _______________________________________________________________

Red Algae _______________________________________________________________

Multicellular Green Algae _______________________________________________________________

Evolution of Multicellularity _______________________________________________________________