Choose 1 of the following questions to answer by day 3 (Wednesday) and include 2 references (in APA format). Your post should be at least 250 words. Please remember to answer to 2 of your classmates' discussions (on 2 separate days) by Saturday. The reply to your classmates should be at least 100 words each. The references are not included in the word count!
Differentiate between the different types of symbiotic relationships.
Distinguish among sporadic, endemic, epidemic, and pandemic diseases.