All organisms have dna, which differs only in the number and order of each type of nucleotide. this suggests that all organisms have
a) a common ancestor.
b) the same amount of dna.
c) the same types of proteins.
d) a common reproductive cycle.

2pomis which of the following would be a valid hypothesis for a scientific investigation about how transportation affects food security? alcannotatiord foods purchased from the local farmers market. o b. how does the distance a food travels affect its affordability? o e foods that travel great distances cost less than foods bought o d why do local farmers markets have food with such high prices?