Aside from the traditional hypothesis that life on Earth developed via organic compounds produced in a reducing atmosphere, which alternative hypotheses is most likely?
A) Life could have arisen from the organic compounds formed around hydrothermal vents far below the ocean floor.
B) Life could have developed on another planet and was then delivered by meteorites.
C) The organic compounds necessary for life were delivered to Earth by meteorites.
D) Life on Earth may have arisen inside land-based volcanoes.
E) The organic compounds necessary for life could only have been produced in an oxidizing atmosphere.
Correct Answer:
Verified
Q7: Where did Earth's atmosphere originate?
A) Earth's gravity
Q8: Molecules that are able to store and
Q9: Modern cells are thought to have arisen
Q10: Why is the distance of Earth from
Q11: Organic macromolecules may have formed by _.
A)
Q13: What happens when phospholipids are placed in
Q14: Why is the absence of atmospheric oxygen
Q15: The RNA world proposal suggests that the
Q16: Some scientists believe that RNA was the
Q17: "Prebiotic soup" refers to _.
A) the interior
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