ENWC Exam 2 Reading Questions with Verified Answers

ENWC Exam 2 Reading Questions with Verified Answers How do hunters contribute to conservation? Hunters only hunt for the biggest animal which is almost always the oldest male so they are not hunting the superior genetics. Hunters can decrease an overpopulated species causing a balance. Also, males are hunted, leaving more females left to reproduce. How will birds alter their migration in response to climate change? Birds will migrate to where it is warmer and they will not necessarily come back How will species distributions change with climate change? Loss of habitat/species, shifts in space and time, animals cannot adapt as fast as changing conditions and will result in extinction What are some of the diseases the sea otters are affected with and why? Sarcocystis, Toxoplasma gondii -- they get this because toxoplasma bioaccumulates in filter-feeding shellfish What are some way that disease can be managed and mitigated? Knowing the intimate details of biology of agents and the vectors that transmit them, cycles can be broken and the impacts of disease can be lessened or managed What disease does brucellosis cause in humans? Undulant fever What effects will sea level rise have on terrestrial habitats? Loss of land Flooding and erosion Salt water Habitat loss What is a limiting factor in terms of habitat? Resources that are absent or in short supply and that limit the number of residents What is an ecological trap? An area with cues that it provides habitat resources but where animals have relatively low rates of survival, reproduction, or both. Tricks animals into settling in areas that are not favorable to them What is bioclimatic envelope modelling? Uses the associations between aspects of climate and species' occurrences to estimate the conditions that are suitable to maintain viable populations What is climate change? A significant long-term change shift of weather patterns What is epidemiology? The branch of medicine that deals with the incidence, distribution, and possible control of diseases and other factors relating to health. What is habitat selection? Individuals of a species will settle and establish residency in areas that contain the set of physical and biological