Study the table showing the percentage of deaths in developed and developing countries due to various causes. Then answer the questions.
1. What is the chief cause of death in developing countries? In developed countries? How does the table reflect the fact that the availability of antibiotics affects the number of deaths due to infectious diseases?
2. What conditions in developed countries may check the spread of bacteria that causes disease?
3. Why do physicians sometimes advise patients who are taking antibiotics to eat yogurt?
4.. For a period of time, bacteria were classified as plants. Why do you think bacteria were classified this way? Give at least two reasons why bacteria should not be classified as plants.