Diversity - Henry County School District

Diversity - Henry County School District

Diversity

Domain Kingdom Phylum Class Order Family Genus

Species Archaea - Single celled prokaryotes that reproduce asexually 4 major phyla Extremophyles

Have cell walls with no peptidoglycan Diverse metabolic pathways Bacteria cell Wall Archaea

Methanogens Live in the guts of cows, and termites to help digest cellulose in plant cell walls C02->Ch4 (farts) Methanobrevibacter smithii

Methanobrevibacter smithii Archaea Scientific classification Domain:

Archaea Kingdom: Euryarchaeota Phylum: 1/10th

Class: Of human Order: Gut microbes!! Euryarchaeota Methanobacteria Methanobacteriales

Family: Methanobacteriaceae Genus: Methanobrevibacter

Species: M. smithii Binomial name Methanobrevibacter smithii Balch and Wolfe 1981

http:// www.colorado.edu/eeb/EEBprojects/schmidtlab/studentres/EBIO3400/Lecture11.p df Eubacteria Prokaryotic, single celled Heterotrophic or autotrophic

Reproduce asexually with binary fission Eubacteria 1 circular chromosome and a secondary plasmid

Eubacteria Classified based on shape, spores, metabolism(glycolysis for anaerobes , cellular respiration for aerobes), and ability to gram stain

Eubacteria Cyanobacteria (pond Scum) Eubacteria

Oscillatoria princeps

D-Eubacteria K-Eubacteria P-Cyanobacteria C- Cyanophyceae

O- Oscillatoriales F- Oscillatoria G- Oscillatoria S- O. princeps Protista Protista are simple, usually

unicellular eukaryotic organisms. Not animals, not plants, not fungi = Protist!! Usually aquatic Aerobic Very important component of plankton Reproduce sexually or asexually

Divisions (phyla) classified based on Animal like, Plant like or Fungus like Protista Animal like-> Protozoa Rhizopoda Apicomplexia

Zoomastigophora Ciliophora Protista Division Rhizopoda Move with a pseudopod (false foot)

Eat by engulphing food (phagacytosis) Protista Division Zoomastigophora Zooflagelates Protista

Division Ciliophora example- Paramecium Use cilia to move around Protista Plantlike Protista-> Algae

contain chlorophyll and carry out photosynthesis Very important aquatic primary producers Dinoflagellata Euglenophyta Bacillariophyta Chlorophyta

Phaeophyta Rhodophyta Protista Bacillariophyta The diatoms

Protista Dinoflagellata Dinoflagelates Sometimes show biolluminescence Red Tide

Protista Euglenophyta Unicellular flagellates Primarily freshwater, but important in some marine environments

Many are heterotrophic (saprotrophic or phagocytic) Protista Chlorophyta Green algae

Protista Phenophyta Brown Algae Alt of Generations Protista

Rhodophyta Red Algae Nori- Iodine source Protista Fungus like Myxomycota- slime molds

Many nuclei for each giant cell full of cytoplasm Use pseudopodia The organisms in this group have a complex life cycle during the course of which they go through unicellular, multicellular, funguslike (form

spores) and protozoanlike (amoeboid) stages. Protista Oomycota Water molds Some species (e.g., Saprolegnia, Achyla) are parasites of fishes and can be a serious problem

in fish hatcheries. Downy mildews damage grapes and other crops. Phytophthora infestans, the cause of the "late blight" of potatoes. In 1845 and again in 1846, it was responsible for the almost total destruction of the potato crop in Ireland. This led to the great Irish famine of 18451860. During this period, approximately 1 million people starved

to death and many more emigrated to the New World. By the end of the period, death and emigration had reduced the population of Ireland from 9 million to 4 million. Phytophthora ramorum, which is currently killing several species of oaks in California. Cell wall of cellulose, like plants

Fungi Eukaryotic, nonvascular, Heterotrophic, reproduce sexually and asexually with spores Alternation of generations

N-2N Most are multicellular Cell walls made of Chitin Decomposers, parasites, or mutualists (Mycorrhizea on plant roots for N) Fungi

Exoenzymes- digest food externally, then ingest it Store food energy as glycogen, like animals Vegetative-> HyphaeMycellium Fruiting body-> Produces spores (the cap)

Fungi Phyla (based on spore arrangement) Chytridiomycota Zygomycota

Asomycota Basiomycota FUNGI Chytridiomycota

(primitive Fungi) Sexual and asexual reproduction Spores are motile with a flagella FUNGI

Zygomycota (the molds) Sexual reproduction with spores with very thick walls FUNGI FUNGI

Ascomycota- Sac Fungi -75 % of all fungi species -Sexual reproduction -Spores can be found in an ascus sac -Yeasts, Penicillium, truffels FUNGI

Basidiomycota- da club fungi -sexual spores are born externally on a club shaped basidium -Gills on fruiting body to increase surface area

Basidium Pizza Mushroom D- Eukarya K- Fungi P- Basiomycota

C- Hymenomycetes O- Agricales F- Agricaceae G- Agaricus S- A. Bispores

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