A fish die-off occurs in a pond near an agricultural field where fertilizer high in N and P has been sprayed. Describe and explain the ecological principle behind why the fertilizer high in N and P would trigger this event in the pond.

Q: what is one other organism besides osprey that you would expect to have high concentrations of ddt

A: *DDT ( Dichloro diphenyl trichloro ethane) is a colourless and odourless harmful crystal element.…

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: What are the functions of the placenta? What hormones does the placenta secrete?

A: The female reproductive system consists of ovaries, fallopian tubes, uterus, vagina, and cervix…

Q: Where is dentrification step happening in this diagram of the Nitrogen Cycle (click on the arrow)…

A: Atmospheric nitrogen (N2) is the nitrogen reserve from which living organisms acquire nitrogen.…

Q: Fertilization & deposition Crop export Watershed Leaching & Runoff Mineralization The figure above…

A: Given rates are, Rates of Fertilisation and deposition= 4000 Mg yr-1 Rates of Mineralistion=4900 Mg…

Q: A corn farmer has approached you with various leaf samples with symptoms shown as below. Identify…

A: Nutrient deficiency in corn can occur because of environmental factors, herbicide or over feeding by…

Q: A genetically modified corn crop that is resistant to the herbicide glyphosate (“Round-Up") may…

A: Glyphosate is a herbicide that is often used to combat broadleaf weeds and grasses.

Q: ractice of crop rotation uses nitrogen fixation to create fertile fields. First without a…

A: Rotational plants reduce green house gases. In this low nitrogen is added.

Q: Should all major food processing plants be required to develop and usesystems similar to Gills…

A: Food processing employs techniques for combining chemical and physical methods to convert raw food…

Q: recrystallization

A: Recrystalization is a technique used to purify chemicals. seperate impurities from the desired…

Q: What are the adverse effects of fertilizers on pollution?

A: Fertilizers are chemical materials that play a vital role in improving the yield of the crop.…

Q: Explain why a temperate zone lake turns over in spring and fall, and the effect that this turnover…

A: "In the tranquil waters of temperate zone lakes, a remarkable phenomenon unfolds twice a year, in…

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: Which of the following is true about Liebig's Law of the Minimum? * The growth of a plant is…

A: Liebig's Law of minimum or Liebig's Law was a law given by Carl Sprengel in 1840 and later proved by…

Q: Primary productivity varies from ecosystem to ecosystem.Explain?

A: An ecosystem is a large community of living organisms in a specific area in which the biotic and…

Q: Discuss one critical factor that defines this differentiation between offshore and coastal primary…

A: In the primary productivity the energy is converted into organic matters by some photosynthetic and…

Q: How do climate change and extreme weather conditions (i.e. typhoons) affect the water management…

A: Introduction Climate change is already affecting life in Asia. as an example, rising temperatures…

Q: Competitive exclusion is rarely observed in ecosystems. Propose an explanation for this.

A: An ecosystem is a community of different species of living organisms and their physical environment.…

Q: The greastes effect that hmans have on the carbon cycle derives from A) the production of methane…

A: There are resources in nature that occur without any interference or action of humankind, such…

Q: Under what conditions do farmers practice no tillage?

A: Tillage is the process of preparing soil for planting and cultivating it afterward in agriculture.

Q: How do the Biotic factors in livestock production affect the reproduction and milk yield in Cattle…

A: Breeding It is defined as the process of sexual reproduction through which offspring are produced by…

Q: a. Carbon Cycle i. Producers ii. Consumers iii. Decomposers iv. Methanogenesis

A: Disclaimer:" As per the guidelines only the first question is answered please ask the other…

Q: Could there be any advantage for a Phytoplankton cell to not minimize the sinking rate? Explain.

A: INTRODUCTION Microalgae, also known as phytoplankton, are similar to terrestrial plants in that they…

Q: state a research question that will directly address the farmer’s problem

A: The crop water used is influenced by the crop growth stage, weather conditions, and various other…

Q: Name one water pollutant.

A: Pollution refers to introduction of any contaminant into the environment that produces adverse…

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

A: For plant growth different micronutrients and micronutrients are needed. Some of this nutrients are…

Q: Describe three ways on how garbage can pollute land.

A: Human population has been growing rapidly ,which increasing the per capita consumption of resources…

Q: In CO2 assimilation of C4 plants, the acceptor molecule is oxaloacetate.  Group of answer choices:…

A: In C4 plant , CO2  assimilation occur via C4 cycle,  also known as Hatch- Slack pathway.

Q: In terms of the nitrogen cycle and movement of electrons, what is the difference between nitrogen…

A: Nitrogen fixation, assimilatory nitrate reduction, ammonia absorption, and others are among the…

Q: Which problem does the prolonged liberal irrigation of agricultural fields create?

A: A crop is defined as a cultivated plant which is commercially grown on a large scale, particularly…

Q: Discuss the three stages in the formation of symbiotic nitrogen-fixing associations in legumes.

A: Introduction Symbiosis is an interaction between two separate species that live in close physical…

Q: How would the growth rate pattern be affected by infinite resources?

A: There are two growth models namely,(a) Exponential growth(b) Logistic growth

Q: The practice of crop rotation uses nitrogen fixation to create fertile fields. First,. plant without…

A: Nitrogen-fixing plants are usually legumes that have the Rhizobium bacteria that convert the…

Q: What is organic waste and why is it importnant to have less organic waste

A: Humans rely on ecosystems for a variety of unseen services. An ecosystem is important because it…

Q: Which of the following agricultural practices can increase water pollution? a) Manual cultivating b)…

A: Introduction :- Genetically modified crops are agricultural plants whose DNA has been altered using…

Q: You are the lead technical officer at the Environmental Management Authority. You have been asked to…

A: Ecosystem: A chain of interaction between living (biotic) and non-living (abiotic) in a specific…

Q: What is the ecological problem with gold king mine spill ?

A: Ecology  Ecology is the study of biotic and abiotic relationship between them. Or in other word…

Q: College students have conducted an experiment to determine the deficiency symptoms of tomato plants…

A: Transpiration occurs when the humidity levels are low. The relative humidity levels in closed…

Environmental effects

Environmental effect is the beneficial or adverse impact of human products, services, or activities on the environment. For example, the release of volatile organic compounds negatively affects the environment and causes smog formation. On the other hand, collecting litter and putting it in bins positively affects the environment.