Bio 1: The Origins of life on Earth (or, a History of our planet in 90 minutes or less)

11/26/2000

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Table of Contents

the origins of life on earth (or, a History of our planet in 90 minutes or less)

Talk outline

How old is this planet anyway?

The Fragility of Life - Coincidence #1

How did life evolve?

Physical conditions of early Earth - Coincidence #3

Spontaneous origins of life - 4 steps

Experimental evidence of Spontaneous Origin

The final key - Heredity

Biological time scales

Earth - The Early Years

The drive behind Macro-Evolution

The study of evolutionary history: Phylogeny

The Kingdom System

Monera : the Pioneers of Life on Earth

The phylogeny of Prokaryotes

Kingdom Protista

Kingdom Plantae

Kingdom Animalia (Invertebrata)

Phylogeny recounts the ìnatural selectionî of species (Earth: the Middle Years)

Kingdom Animalia (Vertebrata)

The Evolution of Man

Placental mammals included the Hominoids...

Hominids

Australopithecus - forerunner or evolutionary dead end?

The first humans, early Homo

Late Homo

The final phase...

Homo sapiens

And now...

Author: Sean Todd

Email: stodd@ecology.coa.edu

Home Page: http://www.coa.edu/faculty/webpages/stodd/index.html

Other information:
This lecture reviews the various theories of the origin of life, and briefly reviews the phylogenetic tree as we understand it today

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