all of the above
The graph shows of the bacteria
evolved a resistance to antibiotics over a period of 20
years. Resistance evolved most for the antibiotic __________________.
(if you are unable to view this graphic, please use a different browser - not internet explorer)
Biomedical researchers study species as disparate as worms, fruit flies, mice, zebrafish, or rhesus
monkeys to understand our genes, and even our diseases. Why?