What impact might fungicides and pesticides have on detrital foodwebs? How do you think the nutrient cycles would be affected bythe use of fungicides and pesticides?

Q: Which of the following is not an element of soil sustainability? О а. Green manures O b. Plowing C.…

A: Agricultural sustainability is characterized as a system's ability to maintain consistent levels of…

Q: Humusa. supplies nutrients to plants.b. is basic in its pH.c. is found in the deepest soil…

A: Plants can be defined as multicellular organisms, mostly photosynthetic eukaryotes of the kingdom…

Q: Organisms which synthesise their own food are called: A) autotrophs B) heterotrophs C) auxotrophs D)…

A: An autotroph is a living being that can create its own food utilizing light, water, carbon dioxide,…

Q: All of the following are true about soil microorganismsEXCEPT:(a) They never affect or change the…

A: Answer- Soil microorganisms can be of different types starting from bacteria, actinomycetes, fungi,…

Q: The major food producer(s) for other living organisms is/are O cyanobacteria. algae. O higher plants…

A: Higher plants, algae, and other photosynthetic creatures , eg algae are essential in these…

Q: Plants are a source of ________. a. food b. fuel c. medicine d. all of the above

A: Plants are multicellular and eukaryotic organisms.    Plant body is made of shoot and root. Shoots…

Q: Which soil mineral is most likely to be leached away during heavy rain? O hydrogen ion (H+) O…

A: All macronutrients and micronutrients are present on the surface of soil they are B, Mn, Cu, Zn and…

Q: How is the phosphorous cycle different from the water, carbon and nitrogen cycles?.

A: Phosphorus is a vital element in plants, microorganisms, and animals. It acts as a limiting nutrient…

Q: Phytochemicals are included in all of the following food groups except:

A: Phytochemicals present in blue berries:-  polyphenols Phytochemicals present in hot/ red pepper: -…

Q: Net primary production is equal to gross primary production minus what? the energy contained in bark…

A: INTRODUCTION In plants the net chemical energy is produced by the autotrophs in an system for all…

Q: Why are phytoplankton commonly referred to as primary producers? O A. They are decomposers that…

A: Phyoplanktons are the organism that are present on the surface of the ocean / ponds. Example :-…

Q: A pest that could become a major pests when something change in the agroecosystem?

A: In agroecosystem;pest can be defined as any insects or animal species which can cause damage to the…

Q: d as below. Use these symptoms to explain about the type of nutrient deficiency to your cer. Burning…

A: BASIC INFORMATION MINERAL NUTRITION IN PLANTS Minerals plays an important role in the life of plants…

Q: The rhizosphere is: Group of answer choices A.) an area 1-2 mm in thickness adjacent to the root.…

A: It is the type of close and long term biological interaction between two different biological…

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

A: Commensalism can be described as the interaction in which one gets benefitted whereas the other is…

Q: Which of the following does not show heterotrophic nutrition? O Fungi O Lion Leeches Green plants O…

A: Heterotroph are those organisms which depend on other for nutrition. Autotrophs make their food by…

Q: What are the processesthat autotrophic beings use toproduce organic material frominorganic…

A: Autotrophic nutrition is a process where an organism prepares it's own food from inorganic material…

Q: While sloshing around in the swampy wetlands of a nearby forest preserve, a small child notices a…

A: Wood decay is the process by which cellulose and lignin are transformed to carbon dioxide and water.…

Q: Whichof the following is NOT an agent of nitrogen fixation?a.Mycorrhizal fungib.Cyanobacteria…

A: Nitrogen is an essential element required for all living organisms. It is a constituent of various…

Q: Which of the following does not show heterotrophic nutrition? O Fungi O Lion O Leeches Green plants…

A: Introduction Modes of nutrition are the ways in which living things get their food.  There are…

Q: Distinguish between nitrogen fixation, ammonification,nitrification, and denitrification

A: Nitrogen Gas that is colorless and odorless. The chemical industry relies on nitrogen. Fertilizers,…

Q: How do fertilizers boost crop growth? How can largeamounts of fertilizer added to soil also end up…

A: Agriculture is described as the science or practice of farming, crop cultivation or growth, and…

Q: Which plant yeilds biodiesel or biofuel?

A: Biofuel is a fuel produced from biomass. Biofuel is renewable energy whereas fossil fuels are a…

Q: way can our diet affect the local or global soil organic matter and soil health? Explain thoroughly.

A: The loose surface layer that covers the bulk of land is understood as soil. it's created from each…

Q: The uptake of phosphorus and nitrogen by plants is aided by ________ in terrestrial systems.…

A: Certain plant nutrients, such as nitrogen, promote the conversion of energy in plants, but…

Q: How significant are biogeochemical cycles to humans? How do human activities affect the…

A: Biogeochemical cycles recycle nutrients in the ecosystem. It involves both biotic ( living ) and…

Q: What is the effect of kaingin in   1.Soil 2. Rhizosphere 3. Endosphere

A: It refers to the burning of trees in forests for cultivation purposes. It is also called swidden…

Q: Sieve tube cells are used by plants for: O a. Taking up micronutrients from the soil. O b.…

A: The sieve tube are elongated living cells that do not contain a nucleus and found in the phloem of…

Q: What Is the purpose of pumping air in hydroponic cultu Select one: O to dissolve nutrients and…

A: Hydroponics is the cultivation of plants in water. It is a process by which the plants are grown…

Q: tend to occupy the base of food webs. a. mediatrophs O b. trophytrophs С. heterotrophs O d.…

A: Option D i.e. autotrophs are the base of food web.

Q: Why is the study of the rhizosphere critical to understandingplant nutrition?

A: The rhizosphere is a region around the plant roots that contains a number of bacteria with which the…

Q: ishkeepers are interested in putting some species of bacteria in their water tanks because of their…

A: Nitrogen cycle occurs in the nature to fix atmospheric nitrogen into its compounds that can be used…

Q: What fraction of the soil represents the most active?        A. Clay       B. Pore spaces       C.…

A: Answer of the question given below...

Q: What is the role of legumes in the nitrogen cycle? They convert unuseable N2 gas into a useable form…

A: The nitrogen cycle defines the cyclical process by which the atmospheric nitrogen is used by the…

Q: Rhizobium is important agriculturally because it supplies __________ to plants such as peas and…

A: Rhizobium is a rod shaped bacterium which are found in the roots of leguminous plants such as sweet…

Q: How can algae oil be harvested sustainably in the future?

A: Algal oil is a type of oil derived from sea algae. Algal oil, like fish oil, is a source of omega-3…

Q: In a biogas production, algae is a resource that comes from O a. torestry residue O b. aquatic crops…

A: A non-conventional form of energy derived from the organic wastes such as leftover digested slurry,…

Q: Nitrogen compounds differ from other minerals needed by plants because they. Select one: O a. Are…

A: Nitrogen is an essential element because it is the major component of nucleic acids, proteins,…

Q: hat is Saprophytic or Detritus Food Chain?

A: The food chain consists of organisms that are linked to each other as food and energy source. The…

Q: How do you think a farmer can best help to conservesoil? How do you think a scientist can best help…

A: Introduction  Soil is a very essential component of the earth. The topmost layer of the earth is…

Q: Litotrophs

A: Lithrophs are the organism which which use the inorganic substrats or molecules like Phophate,…

Q: What is saprophytic or Detritus Food Chain?

A: In the branch of ecology, a linear sequence of organisms in which one feeds on another to maintain a…

Q: Which kind of plant remain is more informative about agricultural practices? O Crop seeds O Weed…

A: Agriculture is the practice of cultivating land through growth of crops and raising livestock.…

Q: Immediately after deforestation, which of the following processes might you expect to increase with…

A: Among the given options, we would expect  leaching denitrification to set in.

Q: What is the fundamental difference between energy flow and nutrient flux

A: No matter how large or small an ecosystem is, it is essential to all life. Ecosystems rely on all of…

Q: Any organism that must obtain its food from a source outside itself is a(n) a. autotroph. b.…

A: Food is the essential substance that is required by the organism for survival. This provides…

Q: When a salmon carcass rots in a riparian forest and the nitrogen is released into the environment,…

A: The nitrogen cycle is defined as the biogeochemical cycle by which molecules of nitrogen are…

Environmental Microbiology

Environmental biology deals with the study of microorganisms and their interaction with their surroundings. This term itself covers the microbial interactions with water, soil, air, and microbial too.