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Biology-Wagaman
WCHS Wagaman Biology Ch 17
| Words | Definition |
|---|---|
| How classification began | Aristotle=300 BC – Classified organisms into two groups, plants and animals, according to characteristics; Linnaeus (1700’s) Modern classification based on structure and physical similarities |
| Modern classification | This system shows evolutionary relationships; Binomial Nomenclature (two names); Genus – like last name Species – like first name, Example: Homo sapiens (Human – “wise”); Any language follows this system |
| Taxonomic Rankings | Domain=largest group, least specific; Kingdom; Phylum; Class; Order; Family; Genus; Species=smallest group, most specific |
| Six Kingdoms | organized by structure and physical similarities |
| Eubacteria | prokaryotic, live in mild habitats |
| Archaebacteria | prokaryotic, live in harsh habitats |
| Protists | eukaryotic, lacks organ systems |
| Fungi | eukaryotic, decomposer |
| Plants | Eukaryotic, do photosynthesis |
| Animals | Eukaryotic, multi-cellular heterotrophs |