Organisms in terrestrial and aquatic habitats lose water through several mechanisms. Some of these mechanisms are habitat and organism specific. Name one mechanism of water loss that occurs only in hypoosmotic organisms:
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- Explain what would happen if: There is excessive growth of algae in a waterbody.Describe the process of Eutrophication. Make sure to include ALL of the steps involved and what the outcome is for organisms living in the water.Mention any two ways in which organisms tide over unfavourable conditions by suspending their activities.
- Explain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.Father's Genes Hemophilia is a sex-linked, recessive trait. Which of the following describes the probability of hemophilia in the offspring of a man who does not have hemophilia and a woman who is a heterozygous carrier? You may use a Punnett Square like the one below to find your answer There is a 0% chance that their daughters will have hemophilia O There is a 50% chance that their daughters will have hemophilia There is a 25% chance that their sons will have hemophilia There is a 100% chance that their sons will have hemophilia O o oList three ways that organisms serve as important means of chemical transport within or between ecosystems. Describe a specific one of them
- What natural and human-influenced factors may affect the following water chemistry parameters, and why, specifically, do the perturbations influence the integrity/health of the marsh ecosystem? pH: DO2 concentrations% saturation: Temperature:An activated sludge plant (CSTR w/ recycle) has the following characteristics: Influent substrate concentration, So = 400 mg/L BODL (all soluble); influent VSS, Xyº = 0; effluent 3 substrate concentration, S = 10 mg/L BODL; flow rate, Q = 1000 m³/day; aeration basin 3 volume, V = 200 m³; reactor MLVSS, Xv = 4,280 mg/L; average, steady-state oxygen uptake rate, Oxygen uptake rate (OUR) = 0.3 mg 02/L-min. The biomass viability (i.e., v = Xa/Xv) was measured using the oxygen uptake rate (OUR) technique and found equal to 0.926. An aliquot of mixed liquor was placed in a small reactor, aerated without any exogenous substrate addition (i.e., starvation conditions) and it's OUR was measured over time resulting in the following data: 0 1 2 3 4 5 Time (days) OUR (mg 02/L-min) 0.3 0.274 0.243| 0.222 0.203 0.182 6 8 10 0.165 0.135 0.110 By use of the above data, the microorganism decay coefficient (b, day can be estimated if you assume that a constant relationship exists between Xa and OUR,…The adaptations of desert animals to their environmentinclude water conservation mechanisms. A number of theseorganisms conserve water so successfully that they neveractually drink it. They depend instead on water generatedduring metabolism. Determine how much water can beobtained by the oxidation of 1 mole of palmitic acid.