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Aquatic respiration is the process whereby an aquatic organism exchanges respiratory gases with water, obtaining oxygen from oxygen dissolved in water and excreting carbon dioxide and some other metabolic waste products into the water.
19 paź 2023 · Because most organisms need oxygen to live, few organisms can survive in hypoxic conditions. That is why these areas are called dead zones. Dead zones occur because of a process called eutrophication, which happens when a body of water gets too many nutrients, such as phosphorus and nitrogen.
5 cze 2018 · Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature. When you look at water in a lake the one thing you don't see is oxygen.
The water temperature affects the organisms’ rates of growth and the amount of dissolved oxygen available for respiration. The movement of water is also important in many aquatic biomes.
Describe the effects of abiotic factors on the composition of plant and animal communities in aquatic biomes. Compare and contrast the characteristics of the ocean zones. Summarize the characteristics of standing water and flowing water freshwater biomes.
Fishes and other organisms that require oxygen are then more likely to die, and resulting dead zones are found across the globe. Lake Erie and the Gulf of Mexico represent freshwater and marine habitats where phosphorus control and storm water runoff pose significant environmental challenges.
Small but important amounts of it are dissolved in water. It is supplied by difusion of atmospheric (air) oxygen into the water and by production of oxygen from photosynthesis by aquatic plants. Wind, waves, and tumbling water in fast-moving streams increase the rate of difusion.
