| A | B |
| Biological Species Concept | If your gamete (egg) can join with another individuals gamete (sperm) to make an offspring (baby) then you are the same species |
| Offspring Needs to be Fertile | The offspring needs to be fertile, if sterile than its not the same species |
| No Meiosis in Bacteria or Viruses | No two parent system. One bacterium divides to make two bacteria. One virus infects a cell and lots of viruses come out |
| Horizontal Transfer | Lots of stuff having to do with a few genes moving from one individual to another. Gene therapy is horizontal transfer -- genes from some other individual |
| Antibiotics | Substance produced by a microorganism that is antagonistic to the growth of other microorganisms in high dilution. |
| Antibacterial Agents | Things that kill or inhibit the growth of bacteria |
| Antimicrobials | Compounds that are active against microbes |
| Antivirals | Antimicrobial compounds that target viruses |
| Antifungals | Compounds active against fungi |
| Antimalarials and Other Compounds | Active against specific kinds of eukaryotic diseases |
| Antibacterials | Compounds that are active against bacteria |