5.3 Classification Flashcards
Binomial Nomenclature
The binomial system of globally recognised classification scheme developed at a series of congresses first produced by Carl Linnaeus in 1735
Two-Part Scientific name (genus) Homo species (sapien)
Hierarchy of taxa
Taxonomy is the science of classifying organism based on shared characteristics (or taxa) More Taxa more closely related.
Taxa: Kingdom, Phylum, Class, Order Family Genus, Species
Animal; Animalia, Chordata, Mammalia, Primate, Hominidae, Homo, Sapiens
Plant; Plantae, Angiosperm, Eudicotidae, Ranunculacae, Ranunculus, acris
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Domains of Life
All living organism are classified into one of the three domains
1. Eukarya (all eukaryotic organism)
2. Archaea (prokaryotic extremophiles)
3. Eubacteria (common pathogenic bacteria)
Natural Classification
Natural Classification involves grouping organism according to common ancestry than by common characteristics.
This allows species to be identified by their evolutionary pathways and enables the prediction of traits within a group.
Disadvantage: If new phylogenetic evidence emerges you need to reclassify, figwort flower