Earth part 2

Earth Part II: Origin and Evolution of Life on Earth

Origin and Evolution of Life on Earth –Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

I. Searching for the origin ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TINTORETTO The Creation of the Animals 1550 A. Intelligent Design

THE WORLD: 4004 BC ,[object Object]

B. Panspermia ,[object Object],[object Object]

C. Spontaneous Abiotic Origin

II. Functional beginnings of life

Beginnings of Life on Earth ,[object Object],[object Object],[object Object]

Basic Model: Organic Chemistry ,[object Object],[object Object],[object Object]

Miller-Urey Experiment ,[object Object],[object Object]

Significance of and Sequel to Urey Miller Experiment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Question 1 ,[object Object],[object Object],[object Object],[object Object]

Ocean Edge Scenario ,[object Object],[object Object],[object Object]

Model for Protocell ,[object Object]

Organic Chemical Evolution ,[object Object],[object Object],[object Object],[object Object]

Functional Beginnings of Life: Transition from Chemistry to Biology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Theories on the Origin of Life ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

III. Prokaryotes and oxygen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MAJOR LIFE CATEGORIES ON EARTH Anaerobic Aerobic Aerobic

ESSENTIALS OF COMMON LIFE ON EARTH Anaerobic Aerobic

Searching for the Origin ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Golden Age of Prokaryotes The First Living Things on Earth ,[object Object],[object Object],[object Object]

Fossil Prokaryotic Cells Stromatolities

Prokaryotes ,[object Object],[object Object],[object Object],[object Object]

Prokaryotes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Prokaryotes and Atmospheric Oxygen % of Present Billions of Years Before Present 4.8 4 3 2 1 0.7 0.1 0

Prokaryotes and Oxygen ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IV. Eukaryotes and an Explosion of Diversity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Rise of Eukaryotes ,[object Object]

First Eukaryotic Cells ,[object Object],[object Object],[object Object],[object Object]

Where Did Organelles Come From? ,[object Object],[object Object]

Origins of Nucleus, ER, and Golgi Body ,[object Object]

Mitochondria and Chloroplasts ,[object Object],[object Object],[object Object]

Sexual Reproduction and Multicellularity ,[object Object],[object Object],[object Object],[object Object]

V. Mass Extinctions, Asteroids and Climate Change ,[object Object],[object Object],[object Object],[object Object],[object Object]

Earth’s 5 Major Extinctions ,[object Object]

Mass Extinctions, Asteroids and Climate Change: K-T Boundary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mass Extinctions, Asteroids and Climate Change: Other examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Question 8 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Earth part 2

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Earth part 2