1. How are protist organisms different from other eukaryotes?
2. Even though Alexander Fleming discovered penicillin, he did not seek to produce it for treatment of infectious diseases. Why did he not?
3. Plants require nitrogen as part of their "fertilizer," but cannot get it out of the air. For plants that are not fertilized by humans, where do they acquire their needed nitrogen?
4. What are two ways in which pathogenic bacteria cause illness5. Explain why most scientists do not consider viruses to be living.
6.. Relate three reasons why the great influenza pandemic of 1918-1919 was so devastating to the world's population.