7. choose the best answer.\nwhich is the prevalent hypothesis about the origin of dna?\ndna formed first…

7. choose the best answer.\nwhich is the prevalent hypothesis about the origin of dna?\ndna formed first from the primordial soup, and then rna evolved from dna.\ndna and rna formed at the same time in the primordial soup.\nrna formed first from the primordial soup, and then dna evolved from rna.\ndna was brought to the earth on meteors.\n8. choose the best answer.\nthe study of ancient humans is called ___.\nanthropology\nanatomy\npaleoanthropology\nevolutionary biology

7. choose the best answer.\nwhich is the prevalent hypothesis about the origin of dna?\ndna formed first from the primordial soup, and then rna evolved from dna.\ndna and rna formed at the same time in the primordial soup.\nrna formed first from the primordial soup, and then dna evolved from rna.\ndna was brought to the earth on meteors.\n8. choose the best answer.\nthe study of ancient humans is called ___.\nanthropology\nanatomy\npaleoanthropology\nevolutionary biology

Answer

Brief Explanations:

For the first question, the RNA - world hypothesis is widely accepted, which posits that RNA formed first and DNA evolved from it. For the second question, paleoanthropology is the study of ancient humans. Anthropology is a broader field, anatomy is about the structure of organisms, and evolutionary biology is about the process of evolution in general.

Answer:

  1. RNA formed first from the primordial soup, and then DNA evolved from RNA.
  2. paleoanthropology