PHLT 304 Quiz 1 Study Guide With Complete Solution

the public health triad - Answer People->other species->environment-> public health triad is similar - Answer epidemiologic triad agent->environment->host-> One health - Answer collaborative trans-disciplinary approach to achieving optimal health for people and other organisms in the environment - the health of the people is connected to the health of animals, plants, and the shares environment ecosystem services - Answer a framework for understanding human interactions with the natural world -functions of natural systems that give humans value for free Provisioning from ecosystem services - Answer food clean water fish wood pollination Regulating from ecosystem services - Answer cool temps control flooding purify water store carbon clean air cultural from ecosystem service - Answer education recreation aesthetic stewardship supporting from ecosystem service - Answer habitat biodiversity photosynthesis soil formation what ecosystem services do insects provide - Answer -produce protein more efficiently than vertebrates - food source for other animals - pollination - seed dispersal - decomposistion - soil structure and fertility - increasing water and carbon storage in soil - removal of animal shit - insect loss could affect ecosystem in unexpected ways or effect other species What is eutrophication and why is it a problem? - Answer -water body receives excessive nutrients -overgrowth of algae - algae die and decomposes, depleting o2 in the water - lack of 02 kills aquatic animals what probs are caused by climate change - Answer - food and water scarcity - changes in geographic distribution or prevalence of disease - changes in ocean pit changes ocean life?? Why are deforestation problematic for the human population? - Answer -deforestation affects ag and wildlife -degradation can occur