Oxymyl, an poisonous pesticide used to kill insects, is water soluble and degrades within days or weeks in soil and water. Do you expect this chemical to accumulate at higher trophic levels that includes predatory birds?

Q: It has been suggested that cheap electricity generated from tides,waves, or currents could be used…

A: It is known that the high tidal waves or currents of the sea are used to produce the thermal energy…

Q: A very small number of producers, and an overabundance of decomposers is characteristic of an…

A: Producers are the green plants which produce food  in the form of glucose with the help of Sunlight,…

Q: All of the following choices are autotrophic organisms, EXCEPT for Select the correct response: The…

A: Autotrophic organisms are those organisms which are capable to produce their own food as they have…

Q: Which organisms in the diagram are autotrophs?

A: Food is the primary source of energy for all organisms. Without proper food and nutrition, an…

Q: The deep scattering layer is created by which of these: a) seasonal changes in the thermocline b)…

A: Phytoplanktons are marine algae that are able to synthesize their own food due to presence of…

Q: Why is it important that decomposers such as bacteria release nutrients?

A: Decomposers are organisms that break down complex organic materials, such as remains of dead…

Q: Based on the information in the food web, drag the organism label to the appropriate box to indicate…

A: Introduction :- Primary producers, or autotrophs, are creatures that get their energy and materials…

Q: List two sources of dissolved oxygen in a lake and based on your understanding of those sources,…

A: Dissolved Oxygen is the amount of gaseous oxygen (O2) dissolved in the water.

Q: How phosphorus levels impact green algae and dissolve oxygen in a lake ecosystem? Which includes…

A: Phosphorous is required for the proper development of teeth as well as bones. In biological system…

Q: Explain the "phosphate trap" in the estuary of Chesapeake Bay. Why was a local ban on phosphorus in…

A:

Q: The tiger beetle Cicindela oregona  has a distribution that extends from Arizona through the…

A: Temperate rainforests are defined as the coniferous or broadleaf forests that will occur in the…

Q: How is water in the aquifer replenished?

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

Q: The diagram shown here illustrates a typical marine food web that can be contaminated with mercury.…

A: When two or more than two food chains interconnect with each other to form a food chain network, it…

Q: If earth is filled in di-nitrogen gas, why is the productivity of so many ecosystems limited b…

A: Nitrogen is the 7th element in the periodic table. It is discovered in 1772 by the Scottish…

Q: State TWO (2) impacts of the altered phosphorus cycle in Laurentian Great Lakes. need asap .

A: Phosphrous is an important constituent for plants and animals for growth and development.this…

Q: Increase in concentration of the toxicant at successive trophic levels is known as what?

A: The trophic level is nothing but a position acquired via an organism in the food web.  The food…

Q: Which of these statements about mineralization is not true? a. Mineralization means that elements…

A: Mineralization is conversion of organic compounds to CO2 & water which will be available for…

Q: Nitrogen is often the limiting nutrient (that is, the nutrient in shortest supply relative to…

A: Answer is b

Q: The Norfolk Broads is an area of rivers and lakes in East Anglia. It is surrounded by farmland and…

A: The bacteria metabolize the biological waste components and release some of the inorganic components…

Q: Which option is a nonrenewable source of energy Petroleum Sunlight Water Wind

A: We used energy from our environment to do verious work. For light, heat, current, industry we used…

Q: Local conditions, such as heavy rainfall or the removal of plants, may limit the amount of nitrogen,…

A: Carbon, nitrogen, phosphorus, and calcium are physiologically important elements across all life…

Q: Name one in earth sphere with an abiotic component. A) Give one abiotic component in #1 B) What…

A: The two fundamental components that shape the environment are biotic and abiotic. All live creatures…

Q: What result can a river with an inflow of domestic sewage rich in organic waste can give?

A: The phenomenon of ageing of water bodies naturally due to increase in its nutrient concentration is…

Q: We humans are responsible for climate change primarily because we have greatly disrupted  Group of…

A: Climatic change causes by human bieng make a huge effect on the enverioment and the species found in…

Q: On the lush exomoon Pandora, scientists found a type of frog call the “balbasaur frog” whose males…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Phytoplankton is most frequently found in which of the following zones of an ocean?…

A: The question is asking us to identify the zone of the ocean where phytoplankton is most frequently…

Q: How is nitrogen gas in the atmosphere converted to a form usable by living creatures? Select all…

A: Nutrients are defined as the essential components that are crucial for the survival of organisms.…

Q: Phosphorus is a mined, nonrenewable resource and comes from phosphate rock. It is second only to…

A: Functions of phosphorus in humans1. Aids in the formation of bones and teeth. 2. Helps in the…

Q: Few synthetic organic chemicals are dangerous in the very low concentrations in which they enter the…

A: Water in the environment is polluted by various human activities. Industrialization is one of the…

Q: Which of the following events would be most likely to contribute to increased phosphorus flow into…

A: - The contribution to the phosphorus in the lake is mainly due to agricultural activities and the…

Q: A pond is found to contain high levels of nitrates & phosphates. What is the most Ilikely source of…

A: Ans-  agricultural runoff

Q: On a piece of paper draw the nitrogen and the carbon cycle for a terrestrial ecosystem. The cycles…

A: Carbon and nitrogen are important macronutrients for every life form. The carbon atom makes the…

Q: Wastes from duck farms used to wash into two shallow-water bays on Long Island, New York. The…

A: The immediate effect of the pollutants, rich in nutrients such as nitrate and phosphate, would be…

Q: Which of the following water sources will most likely have the highest amount of dissolved oxygen? O…

A: Water bodies absorb oxygen from the atmosphere and this amount of oxygen that present in water is…

Q: Chapter 10 of your textbook describes four biogeochemical cycles (some of which might also be called…

A: The major biogeochemical cycles are pathways by which nutrient flows between abiotic   (lithosphere,…

Q: A lake with low nutrient levels and very clear water is called eutrophic oligotrophic O a dead zone…

A: A lake is an area which is filled with water, localized in a basin, and surrounded by land, apart…

Q: The overpumping of the Ogallala Aquifer is a problem for O drinking water availability in Las Vegas…

A: The future of agriculture in great plains.

Q: This figure shows the water budget of the desert beetle beetle Onymacris unguicularis. Discuss using…

A: Onymacris unguicularis are fog basking beetles that live in deserts and fog regions. They are…

Q: Plant growth is limited by available nitrogen. Why is nitrogen fixation a limiting factor?  There…

A: Nitrogen is a macronutrient for plants. Different biomolecules have nitrogen in the chemical…

Q: Starting with a drop of water in the ocean, describe a full cycle of movement of the water drop…

A: Water is a very important thing in our life. Our body made up of more than 70% of water. The…

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.