According to darwin's theory of evolution, which organisms are best able to survive in nature?

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.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources