Flowchart
Chapter 25 Concept Map 2
Flowchart content
Pre-biotic Evolution
Oparin & Haldane
4 Stages:
Miller & Urey
RNA World Hypothesis
Abiotic synthesis of small organic molecules
Joining into macromolecules
Packaging of macromolecules into protocells
Origin of self-replicating molecules
Earth's environment is a by-product of life
Theory of a low oxygen Earth
Current atmosphere is caused by the formation and evolution of life
In other words:
Believed:
Based on:
Tested composition of old rocks and what they found led them to believe that Earth’s atmosphere originally had a very low oxygen content
Goldilocks Planet
A large number of conditions have to be just right for life to emerge
simulated early Earth's conditions
Assuming:
Tested:
Produced simple but important molecules
Which:
Created an experiment that:
RNA was first genetic molecule & a catalyst for reactions
Ribozymes
States that:
Based on discovery of:
Catalyze reactions
Which:
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- Biology 1108 Flowchart on Chapter 25 Concept Map 2, created by Hope Long on 28/02/2019.
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