Define homeostasis. Explain how the human body would respond to having a higher than normal level of sugar in the bloodstream.

What are some characteristics of a free enterprise economy?

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.

Give an example of a trait that is controlled by more than one gene.