Regarding theories about the origin of life on Earth, which of the following are
ID: 31763 • Letter: R
Question
Regarding theories about the origin of life on Earth, which of the following are true
a)Darwin and Wallace's theory of evolution by natural selection offers a thorough explanation of how life originated on Earth.
b)competing hypotheses propose that important pre-biotic molecules rained down on Earth from the atmosphere or arrived via meteorites.
c)the surface metabolism model suggests that life began on rocks on the surface of the Earth.
d)the chemical evolution theory states that the conditions of early Earth were sufficient for the generation of organic compounds and eventually for cells to spontaneously form, without outside input.
a)Darwin and Wallace's theory of evolution by natural selection offers a thorough explanation of how life originated on Earth.
b)competing hypotheses propose that important pre-biotic molecules rained down on Earth from the atmosphere or arrived via meteorites.
c)the surface metabolism model suggests that life began on rocks on the surface of the Earth.
d)the chemical evolution theory states that the conditions of early Earth were sufficient for the generation of organic compounds and eventually for cells to spontaneously form, without outside input.
Explanation / Answer
i think that
b)competing hypotheses propose that important pre-biotic molecules rained down on Earth from the atmosphere or arrived via meteorites.
b)competing hypotheses propose that important pre-biotic molecules rained down on Earth from the atmosphere or arrived via meteorites.