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The evolution of complex life.
1NASA Ames Research Center, Moffett Field, CA 94035.
Acta Astronautica
|January 1, 1989
Summary
Investigating the evolution of complex life on Earth offers insights into potential extraterrestrial life. Understanding planetary and cosmic factors is key to assessing the probability of complex life elsewhere in the universe.
Area of Science:
- Astrobiology
- Evolutionary Biology
- Planetary Science
Background:
- The search for extraterrestrial intelligent life necessitates understanding the emergence of complex organisms.
- Earth's evolutionary history provides a unique case study for complex life's development.
Purpose of the Study:
- To explore the factors governing the evolution of complex life.
- To investigate how planetary environments and space events influence life's evolution.
- To determine general laws for complex life evolution applicable across the universe.
Main Methods:
- Held a series of Science Workshops on the Evolution of Complex Life.
- Focused on Earth's evolutionary history as a model.
- Examined the interplay between evolutionary biology, planetary environments, and cosmic events.
Main Results:
- Highlights from workshops on the evolution of complex life are presented.
- Emphasis placed on deriving general principles from Earth's biological and geological records.
- Consideration of how extraterrestrial factors may shape life's evolution.
Conclusions:
- Studying Earth's complex life evolution is crucial for understanding potential extraterrestrial life.
- Planetary and cosmic factors significantly influence the trajectory of complex life.
- General laws governing complex life's emergence may be discernible through comparative study.