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Chapter 14
Section 3: The First-Life Forms
Term | Definition |
---|---|
Ribozyme | A RNA molecule that can act as a catalyst and promote a specific chemical reaction |
Archaea | A related group of unicellular organisms, many of which thrive under harsh environments |
Chemosynthesis | Carbon Dioxide serves as a carbon source for the assembly of organic molecules |
Cyanobacteria | A group of photosynthetic, unicellular prokaryotes |
Ozone | The upper-layer of the atmosphere |
Endosymbiosis | Theory that a small aerobic prokaryote was engulfed by and began to live and reproduce inside of a larger, anaerobic prokaryote |