While De Vaca spent years making his way to New Spain, he was also a.
learning the languages of the Indians.
b.
making friends by serving as an interpreter between the Spanish and Indian communities.
c.
gaining an understanding of Indian religious practices.
d.
studying the land’s animals and insects.

Please select the best answer from the choices provided

A
B
C
D

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.