The quantity of available nutrients ____________- from the lower levels ofthe energy pyramid to the higher ones.a. increases b. decreases c. remains stable d. cycles

Q: Which of the following is True about ocean ecosystems?a. Surface waters typically have abundant…

A: An ecosystem is an area where organisms, such as plants, animals,etc along with their weather work…

Q: Decomposers a. break down dead organic matter in the environment by secreting digestive enzymes. b.…

A: According to Odum ,on the basis of trophic level ,an ecosystem has two major components namely…

Q: Adding high levels of nutrients to a lake or inshore area wouldhave all of the following effects in…

A: Adding high levels of nutrients to a lake or inshore area would have all of the following effects in…

Q: Answer the following questions. Write the outcomes of the following events. a) The consequence of…

A: Ecology is a division of biology that deals with the interaction between abiotic and biotic…

Q: 1 Organic matter that contains stored energy is called 2 A resource that humans can use to produce…

A: A resource is a substance or object in the environment that is required by an organism for its…

Q: Read each questions and their corresponding choices carefully. Write the correct answer. 1A food web…

A: A food chain is a structure of connections in a food web that starts with producers and ends with…

Q: Which statement best explains why persistent, fat-solublechemicals such as methylmercury accumulate…

A: Heavy metals pass into food chain and with the rise in trophic level, their concentration increases…

Q: 49. The ultimate source of energy for terrestrial ecosystems is (A) nutrients in soil (B) nutrients…

A: Ecosystem is the basic or fundamental unit of ecology which includes both the living organism and…

Q: Chemical fertilizers:   a. supplement carbon fixation by crops. b. cause eutrophication. c.…

A: Introduction :- Fertilizers are of two types :- natural and artificial . Natural fertilizers are…

Q: Hawks Snakes Owls D Crickets Mice Grass A (Not drawn to scale) Letters A, B, C, and D represent…

A: As we know plants are only organisms which can synthesise/ produce their own food , thus they are…

Q: Which of the following may lead to oxygen depletion when discharging in ponds? A. Animal’s fecal…

A: When poisonous compounds, frequently chemicals or microorganisms, sully a stream, stream, lake, sea,…

Q: Desertification typically happens becausea. deserts naturally expand in size.b. humans allow…

A: A desert is defined as a barren or empty area of landscape where very little precipitation and…

Q: What are the consequences of having an excess of nutrientssuch as nitrates and phosphates running…

A: Eutrophication is a well known process in the environment

Q: What group of organisms make their own food? A. Autotrophs B. Producers C. Phototrophs D. All of…

A: The organisms which produce food are plants. Plants are green in color. They have chloroplasts.…

Q: This form of a food web begins with waste materials and theremains of dead organisms.a. aquatic…

A: Answer is b.) detrital.

Q: Why does an urban park full of trees have a greater cooling effect than an equal-sized urban golf…

A: Trees cool the air by a process known as 'transpiration cooling'. As trees release water into the…

Q: Explain the effect of dumping untreated sewage into a pond on the eutrophication of the pond. A. The…

A: Eutrophication is defined as the process in which a water body will become overly enriched and…

Q: Which of the statements about groundwater is NOT accurate? a. In the United States, groundwater…

A: To determine: To determine the correct statements about the groundwater from the given options…

Q: Answer the following: a. What is a nutrient cycle? b. What are the different types of nutrient…

A: As the name itself suggests, it is basically a repeating process of a selective nutrient of…

Q: Suppose you have taken a vacation to a place located 10° north of the equator. Which activity would…

A: The 10th parallel north is a circle of latitude that is 10 degrees north of the Earth's equator.

Q: As a result of_______ , an old animal usually has more pollutants in its body than a young one. a.…

A: The correct option is (a) bioaccumulation.

Q: Which of these was a challenge for farmers on the Great Plains? O unreliable rainfall conflicts with…

A: Great plain is the flatlands of different parts of North America which includes the area between the…

Q: When biological oxygen demand (BOD) becomes very high:(a) The amount of dissolved oxygen…

A: Environment refers to the sum of all living and non-living organisms or elements that is present in…

Q: Which of the following natural forces is responsible for the release of carbon dioxide and other…

A: Carbon dioxide is an essential gas in our atmosphere which constitutes of about 0.3 % responsible…

Q: ow nutrients are cycled through desert

A: A nutrient cycle is the movement and exchange of organic and inorganic matter back into the…

Q: Animals get energy from the food they eat. What is the original source of this energy? A. The soil…

A: Food is necessary to meet all the energy requirements of the body and carry out the growth and…

Q: ompany to reduce the pollution

A: Fossil fuels are coal, petroleum, natural gas, oil shales, bitumens, tar sands, and heavy oils.…

Q: A- The function(s) of the structure indocated by bracket A in the image above is/are deposit feeding…

A: Various organisms have various structures to obtain food, to undergo gaseous exchange and also to…

Q: Analyzing ecological footprints reveals that(A) Earth’s carrying capacity would increase if per…

A: Ecological footprints – it is the amount of land needed to sustain an individual’s or the…

Q: Why does too much carbon dioxide in the atmosphere cause climate change? A) It cools down our planet…

A: Our atmosphere is being warmed by carbon dioxide, which serves as a heat-trapping blanket. The…

Q: The graph illustrates the temperature and precipitation conditions in various terrestrial biomes.…

A: Ecology at the organismic level is essentially physiological ecology which tries to understand how…

Q: Which statement describes how using solar panels on a large scale to obtain energy could negátively…

A: Solar panels are made up of photo-voltaic cells mounted on framework for installation and these…

Q: The carbon cycle and the water (hydrologic) cycle are similar in that (a) both cycle molecules…

A: A collection of species that live in close proximity to one another is referred to as an ecosystem.…

Q: We learned an ironic twist in the film called "The Other Inconvenient Truth."  It was that a.…

A: An Inconvenient Truth is a documentary in which Al Gore describes the problems of climate change…

Q: Which example below is a positive feedback relevant to Earth’s global energy balance? a. Increased…

A: Introduction :- Positive feedback is a feedback loop in which the outcomes of an action cause more…

Q: Based on your observation ( e.g. what you heard from news and read in newspapers), how does the…

A: Soil conservation is the avoidance of erosion of the top layer of soil or the reduction of fertility…

Q: Most of the food produced in industrial agriculture is A. eaten by the workers B. sold for a profit…

A: Industrial agriculture refers to the large-scale, intensive production of crops and animals through…

Q: Hydroelectric power. Assess a) two benefits and b) two negative environmental impacts

A: Dam, structure worked across a stream, a waterway, or an estuary to hold water. Dams are worked to…

Q: N2 content is kept constant in the biosphere due to: A. N2 fixation B. industrial pollution…

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: Thelargest reservoir of phosphorus in most ecosystems is phosphorus:a. inthe atmosphere.b.dissolved…

A: Phosphorous is one of the biogenetic nutrients. It is a major constituent of nucleic acids, energy…

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: Give the importance of the a) water cycle b) nitrogen cycle

A: Ecological cycles are the self-regulating mechanisms that recycle the earth's limited resources —…

Q: axis of rotation of earth

A: AXIAL TILT The earth is rotating around the sun at an specific angle. Axial tilt of the earth is an…

Q: Greenhouse gases function by (a) blocking sunlight but letting out heat from Earth to outer space.…

A: Global warming refers to the phenomenon which occurs when there is increase in the temperature of…