12. Compare and contrast the chemistry of flowing-water ecosystems to standing-water ecosystems. 13. If the concentration of dissolved oxygen decreased in a lake what might happen to the entire aquatic ecosystem? Be specific!
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- An ecologist hiking up a mountain may notice different biomes along the way due to changes in all of the following except: elevation rainfall latitude temperature3. Coastal upwelling is very important for coastal marine ecosystems. As discussed in class, explain why coastal upwelling is important. Explain the effect of el Niño affects coastal upwelling off the coast of California and why that is important for our local coastal ecology.1.What single factor has the greatest effect on how much water a person uses (i.e. how much does one use on a daily or annual basis)? 2.When studying aquatic ecosystems why is it important to understand physical (abiotic) aspects of the environment.
- 9- Which of the following is NOT true about turnover in freshwater lakes? a- Turnover brings up nutrient-rich water from the lake bottom. b- Turnover brings up oxygenated water from the lake bottom. c- Turnover sends oxygenated water from the lake's surface to the lake bottom. d- Turnover usually occurs in the spring and fall seasons. 10- The aquatic biome that represents the transition area between a river and a sea is called a(n) __________. 11- An example of a biotic interaction that could limit a plant's distribution is __________. a- rabbit herbivory b- extreme winters c- acidic soils d- a fire regime 12- Each female herring (a species of fish) produces millions of eggs each year. Which type of survivorship curve do herring probably have? a- Type II b- Type I c- Type IV d- Type III 14- Which of the following is NOT a mechanism of density-dependent population regulation? a- predation b-…3- Which vertical zone would be absent in a very shallow lake? a- aphotic zone b- benthic zone c- pelagic zone d- photic zone 5- The degree of seasonality in a given latitude is primarily determined by ______a- the changing angle of the sun hitting that latitude over the course of the year b- the presence or absence of small bodies of water within the latitude c- the presence of vertical layering in the terrestrial biome at that latitude d- the diversity of microclimates within the latitude 6- The presence of sub-tropical climate conditions along the coast of northwest Scotland is due to ____. a- a constant exposure to direct sunlight. b- its proximity to a warm, northward current called the Gulf Stream. c- reflection of the sun's light off nearby mountains. d- a unique soil type found in that region. 7- In terrestrial biomes, disturbances such as fires and hurricanes ______. a- are limited to temperature but not…4) Explain counter-current flow and its importance to aquatic species. (short answer please)
- Which of the following materials has a sedimentary cycle? a. water b. oxygen c. nitrogen d. phosphorus e. carbonWhich biome experiences the highest annual rainfall? a. tropical rainforest b. tropical savanna c. chaparral d. temperature grassland e. arctic tundraWhat term describes the use of mathematical equations in the modeling of linear aspects of ecosystems? analytical modeling simulation modeling conceptual modeling individual-based modeling
- A rain shadow is a reduction in rainfall ________. a. on the inland side of a coastal mountain range b. during an El Nio event c. that results from global warmingWhich process moves nutrients from the available organic compartment to the available inorganic compartment? a. respiration b. erosion c. assimilation d. sedimentation e. photosynthesisHow do bio-indicators determine the health of a water system? A. A few species of macro-invertebrates will be present in a healthy body of water B. Many different species of macro-invertebrates will be present in a healthy body of water C. No species of macro-invertebrates will be present in a healthy body of water D. There is no relationship between the number of species of bio-indicators and the health of a body of water