Which is still a favourite idea for some astronomers
Spores
Panspermia
Gamets
Sperms
Related Questions
Which of these is considered a likely site for the origin of life?
Volcanic craters
Glaciers
Hydrothermal vents
Deserts
Which of the following is NOT a key characteristic of the first living organisms?
Unicellular
Prokaryotic
Anaerobic
Multicellular
RNA is hypothesized to be the first genetic material because it can:
Form proteins directly
Repair DNA damage
Act as both a catalyst and store genetic information
Form a stable double helix
Which of the following gases was likely NOT abundant in the early Earth's atmosphere?
Methane
Ammonia
Water vapor
Oxygen
The Miller-Urey experiment attempted to simulate:
Photosynthesis
Respiration
Early Earth conditions to test the chemical origin of life
Formation of the ozone layer
