Describe and explain the cascade of biogeochemical changes that occur as oxygen is depleted in wetland soils.  What organisms are responsible for these changes and why is there a predictable order to the changes?

Q: List any three important pollutant of soil.

A: Pollution is the introduction of contaminants into the natural environment that causes adverse…

Q: Matter is continually recycled between abiotic and biotic components of Earth's ecosystem in…

A: The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple usable…

Q: Give an example of an inorganic nutrient pollutant. What is its effect on the aquatic environment?

A: Inorganic nutrients pollutant means that the nutrients in large amounts causing water pollution for…

Q: Identify one technology which would cause a significant reduction in the primary pollutants…

A: Ozone, chemically O3, forms a blanket-like layer surrounding the earth in the Stratosphere layer of…

Q: A scientist finds that the gross primary productivity of the grasslands of the central United States…

A: Primary production is the process by which organic compounds are formed from atmospheric or aqueous…

Q: Which statement offers the best explanation of how deforesting hubbard brooks watershed (W2)…

A: Deforestation can lead to an increase in mineralization rates by exposing the soil to sunlight,…

Q: The key source of food for organisms living on the abyssal plain is.. O a) Descending photosynthetic…

A: Any community of organisms in the deep sea that share a common environment is referred to as a deep…

Q: Some of the organic material manufactured in estuarine communitiesis exported to other ecosystems.…

A: Answer: Introduction: Estuaries means specific regions where the river and seawater combine. The…

Q: In shallow coastal ecosystems dominated by seagrasses, nutrients limit primary production under low…

A: Hi dear,here is answer what you want.hope you like this answer .   Oligotrophic refers to a lake or…

Q: In what soil horizon are microbial numbers andactivities the highest, and why?

A: A soil horizon is a layer parallel to the soil surface which has different physical,chemical and…

Q: Why is the stringent response typically active during nitrogen starvation but not in response to…

A: Bacteria depend on the nutrient sources for their growth and reproduction. Nutrients such as carbon,…

Q: The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant…

A: Nitrogen fixation is the process by which plants and associated bacteria fix atmospheric nitrogen…

Q: In a seagrass ecosystem, nutrients restrict primary production under low nutrient (oligotrophic)…

A: The biological impacts of an increase in nutrient concentration are referred to as eutrophication.…

Q: Altered biogeochemical cycles combined with climate change increase the vulnerability of…

A: Healthy biological systems and rich biodiversity are crucial to life on our planet. Environmental…

Q: Why is release of sulfide from oxygen minimumzones infrequent, occurring at times of…

A: Oxygen minimum zones (OMZs) are the regions where the oxygen level is depleted at intermediate…

Q: Describe three pathways for the utilization of atmospheric nitrogen. Is human activity a significant…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Why are nutrient cycles in nature called biogeochemical cycles?

A: The Earth is defined as the closed system that matters, In the earth's atmosphere small amounts of…

Q: Explain the various anthropogenic causes of the water cycle.

A: The water cycle, also hydrological cycle or the water balance, is the continuous water flow on,…

Q: Describe the effects of overgrazing on soil. What policies can be linked to the practice of…

A: Overgrazing is the consumption of grass or vegetation by animals. Overgrazing usually has harmful…

Q: Why are total soil concentrations poor indicators of the amounts of ions that may bioaccumulate…

A: Bioaccumulation refers to the accumulation of the substances, such as pesticides or other chemicals.…

Q: Refer to Fig. 5.5. and redraw the important transformations of fixed nitrogen in ecosystems. Note…

A: It is in our guidelines that we cannot use external source for answering the questions still by the…

Q: Soil microorganisms, collectively referred to as dizotrophs, fix 90% of the inert nitrogen gas to…

A: The physical process that involves conversion of atmospheric nitrogen into ammonia through reduction…

Q: Studies of the deep subsurface have also identifiedheterotrophic populations. What types and sources…

A: The microbes in the deep subsurface carry out processes that change the chemical makeup of minerals,…

Q: Gaseous nutrient cycle and sedimentary nutrient cycles have their reservoir . Name them. Why is a…

A: The pathways by which various biotic and abiotic elements are circulated throughout the environment…

Q: With reference to the phosphorus cycle, explain the benefits of phosphate solubilizing…

A: Phosphorus is referred to as sedimentary cycle as it has no atmospheric phase. Phosphorus cycle is…

Q: The practice of crop rotation uses nitroger plant without a nitrogen-fixing relationship harvest, a…

A: Nitrogen fixing plants are edible like Elaeagnus angustifolia, Elaeagnus multifolia etc.

Q: Every type of organism in the upper ocean contributes to both recycling of organic matter and…

A: Introduction The process of transforming waste resources into new materials and things is known as…

Q: Pesticides vary in terms of their persistence in soils. Give three possible reasons for the…

A: Persistent pesticides are those that do not break up in the atmosphere but remain harmful to…

Q: Name three human activities that can promote soil erosion.Describe several farming techniques (such…

A: The removal of the top fertile layer of the soil by the action of wind, water or other human…

Q: The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant…

A: Crop rotation is the process which involves planting different crops in a sequence on the same plot…

Q: Identify the five ways that poor agriculture practices degrade our soils. Give typing answer with…

A: Agriculture sustains the global population by providing food, fiber, and other resources. When…