Which best describes a difference between prokaryotes and eukaryotes?
a. prokaryotes are much larger cells than eukaryotes.
b. prokaryotes do not contain ribosomes.
c. eukaryotes do not contain cytoplasm.
d. prokaryotes do not contain organelles.

What role do traits play in affecting an organisms ability to reproduce? finches

One gene can influence trait(s). one trait can be determined by gene(s).

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.