<p> Biology 20</p><p>Unit 2 Review</p><p>“Diversity of Life”</p><p>Key concepts:</p><p>Taxonomy</p><p>- taxon (Kingdom, Phylum, Class, Order, Family, Genus, Species) - dichotomous key - 3 domains – Archaea, Bacteria and Eukarya - 6 Kingdoms – Bacteria, Archaea, Protista, Fungi, Plantae, Animalia - binomial nomenclature (3 rules) - use of Latin in taxonomy - Linnaeus (Carl von Linne) - prokaryotes / eukaryotes</p><p>Viruses – classification, composition, characteristics, viral infections</p><p>Prokaryotes – Archaea & Bacteria:</p><p>- obligate anaerobes</p><p>- obligate aerobes</p><p>- facultative aerobes</p><p>Archaea: 4 groups:</p><p>- methanogens</p><p>- psychrophiles</p><p>- halophiles</p><p>- thermophiles</p><p>Kingdom Protista – 3 groups (plant-like, fungal-like, animal-like)</p><p>- Plant-like protists – 6 phyla – Euglenoids (Euglenophyta), Diatoms (Bacillariophyta), Dinoflagellates (Dinoflagellata), Green Algae (Chlorophyta), Brown Algae (Phaeophyta), Red Algae (Rhodophyta) - Fungal-like protists – 2 phyla – slime molds (Myxomycota), water molds (Oomycota) - Animal-like protists – 4 phyla - Zooflagellates (Mastigophora), Sarcodines (Rhizopoda), Ciliates (Ciliophora), Sporozoans (Apicomplexa) </p>