Which statements describe the Peary Land ecosystem? Select all that apply

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.

The term equestrian relates to which animal? bulls cows horses pigs

If your blood becomes too concentrated with iona, what will happen to the red blood cells