Ome animals shiver as a natural, involuntary response to their environment. shivering generates heat. this is an example of which function?

a. reducing movement to regulate body temperature
b. reducing movement to regulate blood glucose
c. maintaining homeostasis by regulating body temperature
d. maintaining homeostasis by regulating blood glucose

The genetic code is essentially the same for all organisms. based on this information, one can logically assume which of the following statements to be correct? a. dna was the first genetic material. b. the same codons in different organisms translate into the different amino acids. c. different organisms have different numbers of different types of amino acids. d. a gene from an organism can theoretically be expressed by any other organism. e. all organisms have experienced convergent evolution.