The History of Life on Earth Earth – 4.6 BYA Prokaryotes – 3.8 BYA Eukaryotes – 2.0 BYA First Animals – 635 MYA.

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Presentation transcript:

The History of Life on Earth Earth – 4.6 BYA Prokaryotes – 3.8 BYA Eukaryotes – 2.0 BYA First Animals – 635 MYA

Stanley Miller Experiment Origins of Life

Domains

Domains vs. Kingdoms Kingdoms Based on Cellular information Domains Based on Molecular information

Domain: Bacteria

Domain: Archaea Carl Woese – Prokaryotic cell but similar to Eukaryotes in DNA replication and Protein synthesis

Domain: Eukarya Protista – kingdom divided into many different kingdoms

“Kingdom” - Protista

Kingdom: Plantae

Charophytes

Division: Bryophyta

Division: Pterophyta

Gymnosperms

Angiosperms

Kingdom: Fungi

Kingdom: Animalia

Phylum: Arthropoda

Animals Move onto Land Lungs Limbs

Animals Move onto Land Tiktaalik

Amniotic Egg

Class: Reptilia

Class: Aves

Class: Mammalia Monotremes Marsupials Placental

Class: Mammalia Primates

Class: Mammalia

Early hominid? (6-7 mya)

Class: Mammalia Early hominids Lucy (3 mya) H. ergaster (1.7 mya) – human ancestor Neantherthal – Lived with modern humans???

Modern Humans 40,000 years ago

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