Chapter 9: The “Trade-Off Model” of parasite/pathogen evolution tries to explain how parasite fitness is influenced by various fitness components. Match the following symbols with the corresponding components of the model:
Question 7 options:
| host death rate induced by parasite |
| number of secondary infections that result from a primary infection |
| Population size |
| rate at which host clears infections |
| transmission rate of parasite (probability it will be transmitted from one host to another) |
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| 1. | Ro | 2. | (Greek letter Beta) | 3. | N | 4. | (Greek letter Alpha) | 5. | γ (Greek letter Gamma) |
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