Which of the following factors would explain why there is a decreasing trend of microbial population from top to bottom? A. There is a shift in the condition form oxic to anoxic. B. All statements are acceptable. C. The soil particles become larger and not weathered. D. There is a decrease in the available nutrients.

Q: When excess nitrogen and phosphorus from local farms ends up, in river and inlets, what process can…

A: Nitrogen and phosphorus are the two main primary nutrients in commercial fertilizers and they play…

Q: How do toxic substances travel through the environment, and where are they most likely to be found?…

A: Introduction  There are certain chemicals that are toxic to mankind like they can cause some adverse…

Q: Where biofilms can be found aside from surfaces . Explain the function of such biofilms to the…

A: A biofilm is a syntrophic consortium of microorganisms in which cells adhere to one another and, in…

Q: The chronosequence of soil age across the Hawaiian Islands shows which of the following patterns of…

A: The parent material of a soil affects the balance between nutrient loss and retention by determining…

Q: Which of the following is NOT a mechanism of how microbes are able to reach deep subsurface portions…

A: Microbes  Microbes are the organism that are not visible to naked eyes.

Q: Michael wants to build a new storage shed and is considering clearing some trees from his land to…

A: Michael wants to clear some tress and use it as lumber for building a new storage shed.

Q: Is the soil around Iqaluit, Nunavut is good for agriculture (growing crops like wheat, vegetables,…

A: As we know that soil contains minerals and water through which the plant absorb the nutrient…

Q: Higher compost recovery rate means that most of the raw materials used were converted into compost;…

A: Compost  It is a organic material that is form due to degradation of food and plant debris.

Q: What is one of the primary benefits of bioremediation?

A: Answer: BIOREMEDIATION: It is the branch of biotechnology in which we use the living organism like…

Q: Explain how bioremediation is achieved by microorganisms in the following a. Bioremediation of…

A: Bioremediation Bioremediation refers to the process of using living microorganisms to remove the…

Q: Why a medium of a biofilter should have a high content of inorganic nutrients?

A: Biofiltration is a pollution control technique using a bioreactor containing living material to…

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: For which of the following problems would growing and maintaining cover crops be an appropriate…

A: Cover crops: These are crops which are planted so as to maintain the soil fertility, reduce soil…

Q: Biological magnification occurs whena. pollutants increase in concentration in tissues at higher…

A: The trophic level of the organism can be defined as the position and it occupies in the food web.…

Q: Two clay loam soil were found to contain 2.5% and 5% organic matter. (a) How do you compare their…

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Q: Contrast and compare the microbial communities found in lotic systems with those in lentic systems

A: The microbial communities can be defined as the group of microorganisms found at a particular place.…

Q: Phytoremediation, mycoremediation, bioinventing, biobleaching, landfarming, biorector, composting,…

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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: Which of the following is NOT the usual mechanism of transport of atmospheric microbes? A.…

A:

Q: In a tabular form, compare the different biomes based on specific criteria.  Follow the table format…

A: A biome is a defined area that is characterized by its flora, fauna, and climate.

Q: The figure below shows the percentage of organic matter in a soil as a function of precipitation and…

A: BASIC INFORMATION  Soil It is an important factor in the ecosystem because of its various uses.  It…

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: Which practice might be described as carbon sequestration?   A. capturing carbon dioxide from…

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Q: . Which one of these soils would have a higher infiltration rate?

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Q: Which of the following statements BEST describes a realized niche? A. It is the expected…

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Q: If you applied a fungicide to a cornfield, what would you expectto happen to the rate of…

A: Fungicides are the substances which kill fungus.

Q: Which of the following is a biotic factor? a. wind b. disease-causing microbe c. temperature d. soil…

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Q: Explain an example which describe that microorganisms are the main forces that drive the structure…

A: Microorganisms are the small, microscopic organisms. These include bacteria, fungi, algae, protists…

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: Describe the differences between the microbial communities found in a deep, stratified lake with…

A: Answer: Introduction: Scientists have given the survival approaches of microbes present in rocks…

Q: Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?…

A: Nitrogen is an odorless, colorless, and gaseous element that makes up around 70 percent of the…

Q: Some ecologists argue that “there is no true form of commensalism.”  Define commensalism and give an…

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Q: What is the main problem with using desalination to increase water supplies?  Group of answer…

A: Desalination, in a broader sense, refers to the process of removing salts and minerals from a target…

Q: Which of these determines the Potential Evapotranspiration of an area? (select all that are correct)…

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Q: A soil consists of layers called ________ that taken together are called a ________. a. soil…

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

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Q: describes life in soils?   A: Soil food webs lack complexity compared to above-ground ecosystems.…

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Q: Analyze each statement (A and B) whether they are true or false. Use the choices below in answering…

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Q: ndustrial effluent from a metal processing factory released Cu into a nearby river without any…

A: Introduction The act of observing and measuring the state and continuing changes in ecosystems,…

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: Define the following terms as they apply to Microbial Ecology: a. Fixation b. Production

A: A. Microbial fixation means to transform the complex chemicals to simple absorbable form so that…

Q: Which essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food…

A: The essential chemical must be “fixed” by soil-dwelling bacteria before it can enter the food chain…

Q: A salmon has higher mercury levels than phytoplankton. This is due to______? A. Food-web…

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Q: What is the term used to describe the solid rock that lies beneath the soil? a. sand b. bedrock c.…

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Q: Explain soil profile. What master horizon is characterized by organic debris in various stages of…

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Q: An important result of extensive ant or termite activity in soils is: increased clay content of B…

A: Effect of Termites on soil fertility

Q: Which of the following policies would lead to a reduction in the carbon intensity term?   a.…

A: Carbon intensity(C.I.) also known as emission intensity is the emission rates of a certain pollutant…

Q: The noted microbial ecologist Martin W. Beijerinck has stated:“Everything is everywhere, the…

A: "Martinus Willem Beijerinck" was a microbiologist. He was one of the founders of virology and…

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.