What is classification?
• Grouping of objects/information based on
similarities
– Why group?
Aristotle’s System
Plants
Herbs
Shrubs
Animals
Trees
Land
Air
Water
Taxonomy
• Branch of biology that is responsible for
grouping and naming organisms
Carolus Linnaeus
• Binomial Nomenclature
– Two name system
– Genus and species
Robin vs. Robin
Are these Robins the same?
How do we Classify?
• Purpose (how it
functions)
• Behavior Patterns
• External/Internal
Structure
• Reproduction
• DNA patterns
Kingdom
What are the steps
of classification?
Phylum
Class
Order
Family
Genus
KPCOFGS
Species
King Philip Came Over For Great
Sex
Why do we classify?
• Common Name vs. Scientific Name
• Common
– Misleading
– Doesn’t tell how organisms are related
– More than one
• Scientific
– Latin so it doesn’t change
– specific
Examples
• Sea Horse (common name)
– Fish not a horse
• Felis domesticus
– House cat (specific)
Bobcat vs. Lynx
Aardwolf
6 Kingdoms
Kingdoms (pg454)
• Archaebacteria – prokaryotes no
peptidoglycan (cell wall); live in harsh
environments
• Eubacteria – prokaryotes; everyday ones
• Protista - eukaryotes
• Fungi – cell wall of chitin, no
chloroplasts, heterotroph (absorbtion)
• Plantae – chloroplasts, cell wall,
autotroph
• Animalia – no chloroplasts, no cell wall,
heterotroph