System of classification based upon similarities in structure.

Developed by: Linnaeus , a Swedish botanist in the 18th century. Linneaus used Latin names because they would not change over time.
Binomial Names

Genus + species
Ex: Musca + domestica "House Fly"

The 5 Kingdoms

Monera (BACTERIA)UnicellularProkaryotic
Protista (AMEBA)UnicellularEukaryotic
Plants AutotrophicMulticellularEukaryotic
Animals HeterotrophicMulticellularEukaryotic

More Info on The 5 Kingdoms

Open Ended Question

Explain why wolves and domesticated dogs are now considered in the same species.