Biology

Biology, 22.07.2019 09:00, raiindrxp

In eutrophic waters, algal growth is leading to decomposition rates and thus levels of oxygen

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Social Studies, 23.06.2019 15:00, milkshakegrande101

Recall that areas with high net primary productivity not only produce high levels of biomass rapidly, they also take up large amounts of co2 and give off large amounts of oxygen. what is the likely result of the increasing amounts of sediments and fertilizers in the major rivers emptying into oceans and affecting algal beds, reefs, swamps, and estuaries? a fisheries will improve as the extra nutrients feed shellfish and fish. b eutrophication, followed by hypoxia, is a likely result, ultimately leading to less co2 uptake and more oxygen released. c productivity in these areas will increase permanently, leading to more co2 uptake and more oxygen released. d eutrophication, followed by hypoxia, is a likely result, ultimately leading to more co2 uptake and more oxygen released. e eutrophication, followed by hypoxia, is a likely result, ultimately leading to less co2 uptake and less oxygen released.

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Biology, 09.07.2019 22:00, kealinwiley

The scientist concluded that the decrease in oxygen levels was caused by the increase in temperature. which additional explanation is most likely correct? the decrease in oxygen levels was caused by a faulty oxygen meter. the decrease in oxygen levels was mostly caused by air temperatures. the decrease in oxygen levels was also caused by the increased algal growth. the decrease in oxygen levels was caused by oxygen in the runoff.

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Biology, 26.07.2019 20:10, adriandehoyos1p3hpwc

Science--recall that areas with high net primary productivity not only produce high levels of biomass rapidly, they also take up large amounts of co2 and give off large amounts of oxygen. what is the likely result of the increasing amounts of sediments and fertilizers in the major rivers emptying into oceans and affecting algal beds, reefs, swamps, and estuaries? select one: a. productivity in these areas will increase permanently, leading to more co2 uptake and more oxygen released. b. eutrophication, followed by hypoxia, is a likely result, ultimately leading to less co2 uptake and less oxygen released. c. eutrophication, followed by hypoxia, is a likely result, ultimately leading to more co2 uptake and more oxygen released. d. eutrophication, followed by hypoxia, is a likely result, ultimately leading to less co2 uptake and more oxygen released. e. fisheries will improve as the extra nutrients feed shellfish and fish.

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Biology, 03.08.2019 15:00, alystidham1439

Aquatic and marine dead zones can be caused by increases in nitrogen and phosphorus in the water from human waste or fertilizer. these substances encourage algal blooms. although algae produce oxygen in the daytime by photosynthesis, during the night hours they continue to undergo cellular respiration and use up available oxygen. when algal blooms die off, more oxygen is used during decomposition of the dead algal cells. both of these processes can result in a significant depletion of dissolved oxygen in the water, creating dead zones. dead zones can be caused by natural or human factors. a.summarize the role of algal blooms in disrupting the health of aquatic ecosystems.

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