INTRO BIOENVIRON SCI
INTRO BIOENVIRON SCI BESC 201
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This 4 page Class Notes was uploaded by Wilfredo Turcotte on Wednesday October 21, 2015. The Class Notes belongs to BESC 201 at Texas A&M University taught by T. Dewitt in Fall. Since its upload, it has received 60 views. For similar materials see /class/225911/besc-201-texas-a-m-university in Environmental Science at Texas A&M University.
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Date Created: 10/21/15
Review for BESC 201 Exam I chapters 1 5 African guest lectures reading on Hotspots What major groups gureheads NGOs and GOs played important roles in the development of modern environmental science What are the major stagesclassi cations of ES How is environmental science interdisciplinary African perspectives on Env Sci Agriculture etc What are some of the problems typical in developing countries of Africa that lead to environmental degradation economic disparities social injustice health problems etc Why don t tropical nations do more to protect their environments How do culture and economics enter into environmental issues in these countries What is a biogeochemical cycle For each discussed in class what are the major steps involved What are the sources and sinks for the element How do microbes come into play How have humans altered aspects of the natural cycles What is environmental justice What are rst and third world countries What is development when used in reference to human societies What is sustainable development What is the UN HDI What is the 2020 Compact How do ecology politics and culture interact What is appropriate technology What disparities exist between rst and third world countries in terms of consumption and production of industrial waste What is a LULU What are the rst and second laws of thermodynamics What do they have to do with how energy ows through and ecosystem How does the second law relate to ecological pyramids Why are plugin electric cars not as clean as the marketing might have you believe hintithink second lawiand think about how electricity is generally made How is water special several points to learn there Describe the pH scale What is the relationship between one level on the scale and the next value Why is carbon special What does photosynthesis and respiration involve What organisms perform each of these two functions Know the equations What is eutrophication How do human impacts accelerate eutrophication What is an ecological niche V habitat What is a keystone species Why is kelp considered a keystone species What is a food chain food web Which is an apter description of trophic relationships in nature What does the second law of thermodynamics imply about the biomass of organisms at each trophic level What is ecology What is evolution How do ecology and evolution relate What is heritability How does natural selection work What is directional selection within environments what is dirvergent natural selection between environments What is reinforcement and how does it evolve Once evolved how does it seal speciation Be able to use the breeder s equation to predict evolution What is ecological specialization generalization and character displacement What is ecological primary amp secondary succession What is an ecological disturbance What is sustainability and what are some barriers to sustainability How do organisms partition habitat use to avoid competition In symbioses what is the effect of each partner in parasitism comensalism and mutualism What environmental factors predominantly determine terrestrial biomes What are the major biomes described in the summary gure and in pictures in the book Which biomes are inclined to accumulate biomass Which accumulate large amounts of organic matter in soil Which are particularly fragile and why What are the generalized habitats typical in lakes What are wetlands What good are they In particular I spent much time describing estuariesiwhat are they How do they work Why should you care Conservation biologyiHot or Cold spots What is a hotspot What is good about this as a criterion for environmental protection What does it miss How does the hot v cold debate relate to argument over certain species ecosystem functions ie services If you feel comfortable with the terminology and concepts above you should do well Focus study on the notes but use the book for background and key on figures and highlighted matter Don t forget about the Hotspots paper Have fun and bring gray scantrons for Monday t Review Questions for Exam 2 on Chapters 610 12 15 Bioenvironmental Science Fall 2008 Chap 6 Population Biology What factors determine growth rate of a population migration birth death etc but also what causes these in nonhuman organisms What is biotic potential carrying capacity environmental resistance jcurve V scurve What traits determine if animal or plant populations are inclined to grow quickly or slowly What happens if populations overshoot ca1rying capacity Understand how colonization rate extinction rate island size and distance from shore affect the number of species on an island ie understand island biogeography Understand how island biogeography applies to all populations not just oceanic islands What is a 39 quot IT J why low r r 39 quot size increases extinction rate and how low population size results in genetic change evolution in populations r r Chap 7 Human Populations Do populations tend to grow faster in developed or developing countries What factors tend to reduce human population growth e g education How many humans are there What country is most populous and which will be in 50 years How did Marx and Malthus differ in view on the causes of famine Be able to predice population growth trajectories given current demographic charts ie age structure graphs eg Fig 711 in lOed What is the demographic transition hypothesis What types of cultural and political acts have been used to curb population growth in case histories from class and the book Historically what have been the big limits to human population growth and how does this differ now Chap 8 Health and Toxicology What is food security Marasmus Kwashiorkor Anemia Guinea worm Why does former POTUS Jimmy Carter rock with respect to that worm What are the most important crops Why is it that we could feed more people if we eat grain rather than meat What was the concept from earlier in the course that explains this Historically and in modern times what are the leading causes of death How does one characterize health in a broader manner than just counting deaths What is a pathogen v what is a disease Discem between hazardous substances and toxic substances What effect does each have on humans What is a mutagen Thalidomide was a teratogen which means How do solubility reactivity and persistence affect the impact of a chemical What are bioaccumulation and biomagnification What are some benefits to eating lower on the food chain Explain the dose makes the poison What does a dose response curve show you What does an LD50 tell you Chap 9 Food and Agriculture What is soil and how is it made What kinds of organisms do you find in soil What are soil horizons What are the characteristics of each type What is leaching What are the different kinds of water erosion How do alternative cropping methods affect erosion How does leaving crop residues mulch affect soil quality and other aspects of crop management What is the green revolution What are the bene ts and drawbacks of the revolution How are crop improvements made What is the gene revolution What does the world eat Is there enough food What causes famine No really think about it again and tell me what causes famine Know a case study or two Who produces high trophic level food and who eats it Understand how the energy in a supermarket tomatoe is mostly from petroleum Chap 10 Pest Control What was the impact of DDT in North America on birds near the top of food chains What was the specific impact what trait did it effect What features of DDT make it attractive as a pesticide What is the importance of DDT relative to the history of pesticides in our history What sorts of traits do pest species tend to have How does monoculture play into pest issues Worldwide who uses the most pesticides How are the trends in pesticide use distributed across developed and developingwealthy vs poor countries Who is likely to suffer from pesticide toxicity and why Are there unintended nonpathogen targets What are the benefits of pesticides What does Roundup ready mean What is integrated pest management What are biological controls What is pest resurgence Chap 12 Land Use How does the US Forest Service manage forests ie what are its management objectives What is the value of forest How would timber companies prefer to harvest wood How do they harvest most sustainably How do timber companies benefit from corporate welfare ie why are twobyfours so cheap Do regrowth forests differ from the original unharvested versions If not so what What is oldgrowth forest Is fire good or bad in natural systems and why Would you prefer to graze your cattle on private or public lands How does this affect the price of beef Who owns the land and what is land reform How do human activities promote deserti cation Describe milpa Chap 15 Air Weather Climate Know the gross structure of the atmosphere and how that structure is establishedmaintained Understand the paths of solar radiation through the atmosphere How does the sun drive the climate of our world eg understand the processes that generate short and long term periodic and aperiodic weather patterns How does rotation of the earth interact in weatherclimate Know about convection currents and how hurricanes form How do uid masses get set into rotation What happens when alternative uid masses collide Why throw your horse overboard at 300 lattitude and why get the doldrums at the equator What is the greenhouse effect know how it works and what are its environmental implications What are the cultural implications of anal gas leakage in cattle especially regarding the greenhouse effect
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