I. Age of the Earth
Origins of Life
A. Time Frames
Figure 25.7
Table 25.1
B. Evidence
1. Fossil Strata
Figure 25.4
2. Radiometric Dating
Figure 25.5
II. Earth Changing Events
A. Temperature Cycling
B. Sea Level ChangesC. Shifting
Continents
Figure 25.13
Figure 25.14
Figure 25.15
III. Organism DiversityA. Before
Life
1. Events
a. Spontaneous Generation
b. Early Atmosphere
2. Outcomes
What was the most important molecule?
Figure 4.2
B. After Life
1. Events
2. Outcomes
Oxidizing atmosphere
Eukaryotes and endosymbiont hypothesis
C. Explosions & Extinctions
1. Events
Volcanoes, Meteor Strikes, &
Figure 25.16
Chicxulub
2. Outcomes
& Competition
New habitats and Niches
Figure 54.3
IV. Phylogeny & Systematics
How to define parameters and why study?Classic Tree
Figure 26.3
How to define parameters and why study?Classic Clade
Figure 26.11a & b
Phylogeny and Cladistics
Phylogeny and Cladistics
Figure 26.14
Strive and be alive.