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1. You are studying 2 wetlands in eastern Ohio – one that has become highly invaded by purple loosestrife (Lythrum salicaria). These wetlands typically contain over 100 species, but in an amazing coincidence, both your sites only have 6 total species:Species Site 1 # of Individuals site 2 of IndividualsCarex / Site […]

1.Why is biogenesis important for the germ theory of disease? Are they mutually exclusive or highly dependent on each other?Who first suggested that the use of aseptic techniques would have a profound effect on the contraction of human diseases? In your answer, be sure to describe this effect. Find at […]

Discussion Topic Natural Selection A novel fungicide is introduced and widely applied to cereal crops. After five years, resistant genotypes of the fungal pathogen are detected at a frequency of about 1%; resistance is widely distributed across the pathogen’s range. Within two years, these have become so common that the […]

From an epidemiological perspective, why are chronic and pervasive environmental toxicological exposures so difficult to investigate? What factors make these types of exposures difficult to assess, and what makes it so difficult to establish patterns of exposure when the exposure is pervasive in the environment and chronic over a period […]