Taxon (Kingdom, Phylum, Class, Order, Family, Genus, Species)

Biology 20

Unit 2 Review

“Diversity of Life”

Key concepts:

Taxonomy

- 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

Viruses – classification, composition, characteristics, viral infections

Prokaryotes – Archaea & Bacteria:

- obligate anaerobes

- obligate aerobes

- facultative aerobes

Archaea: 4 groups:

- methanogens

- psychrophiles

- halophiles

- thermophiles

Kingdom Protista – 3 groups (plant-like, fungal-like, animal-like)

- 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)