What is the minimum number of cycles necessary to replicate a fragment of DNA over 500 times? How did u determine this?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Organisms that successfully adapt will leave to grownone of the above