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RNA world Hypothesis.

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Why did the early man scholars reject fossils as a mean to trace human evolution?

Early man scholars rejected fossils as a means to trace human evolution because they held religious or cultural beliefs that contradicted the idea of human evolution. Additionally, fossils were not well understood or widely accepted as evidence of human ancestry at the time.


What role did thee appearance of the ozone layer play in the evolution of early life?

Ozone played a vital rose after appearance. It led to evolution of complex organisms.


What element upon which most modern organisms depend was missing from earth's early atmosphere?

Oxygen was the element missing from Earth's early atmosphere, which eventually accumulated due to early photosynthetic organisms. This change in the atmosphere allowed for the evolution of organisms that rely on oxygen for respiration.


Did chemical evolution precede animal evolution?

Yes. Animals are composed of chemicals. Chemical evolution typically refers to stellar nucleosynthesis, the creation of elements by nuclear fusion in the cores of stars, and the synthesis of elements heavier than iron via star bursts--supernova. Biochemical evolution would refer to the formation of more complex molecules, such as the spontaneous generation of amino acids from less complex molecular arrangements.


Who discovered the ardipithecus?

A team of researchers led by paleoanthropologist Tim White discovered Ardipithecus ramidus fossils in Ethiopia in the early 1990s. These findings have provided valuable insights into early human evolution and shed light on our ancestors' divergence from apes.