Algae in an aquatic food chain convert solar energy into 93, 000 kilocalories of plant tissue. Which of the following values best represents the amount of energy available for primary consumers in the food chain? 930 kilocalories B) 9, 300 kilocalories 93, 000 kilocalories 930,000 kilocalories
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- Discuss the differences between GE (Gross energy), ME (Metabolizable energy), and DE (Digestible Energy). Among the three values, which one is the most accurate estimate of energy value of a feedstuff and why?It takes about 0.5 kg of meat to support a human for one day. Assuming that beef is the only available nutrient, how much meat energy (kilograms of meat) will it take to get you to 20 years old? 10. How much plant energy (kilograms of plant) will it take to feed the beef that gets you to 20 years old?Old People e = 100 calories λ = 10 per night h = 2 hours Middle Aged People e = 400 calories λ = 20 per night h = 5 hours Young Adults e = 300 calories λ = 10 per night h = 2.5 hours Suppose that the organism need 1000 calories per night. - Which food item should the organism prefer, and which ones would you expect them to eat on a regular basis? Explain why and show calculations. - Explain marginal value theorem, and how it might relate to an organisms foraging decisions. - λ for Old People should increase in the coming years. How could that affect this organisms feeding on humans?
- Question 2 What key nutrients might be essential for an effective "nutritional supplement beverage"? Edit View Insert Format Tools Table 12pt Paragraph v |BIU A ev T'v ...NDSIO 6 II 40 Question A deer eats 25kg of herbaceous material per day. The herbacecus material is approximately 20% dry matter(DM) and has an energy content of 10MJ. (kg DM) 1. of the total energy ingested per day, 25% is excreted as undigested materlal. Of the 75% that is digested, 80% is lost to metabolic waste products and heat. The remaining 20% is converted to body tissue. How MI are converted to body tissue on a daily basis? calculate the percentage of onergY consumed that is converted to body tissue • Draw a schematic of energy balanceRead the following article. ASK MR. GREEN: Organic Produce versus Nonorganic Produce Dear Mr. Green: Lately I see more and more "organic" fruits and vegetables in the supermarkets. I'm confused. Often the organic apples or strawberries aren't as red or as large as the other ones. They sometimes have spots or insect holes. And organic produce can cost three times as much as other produce! So, tell me, what exactly are organic fruits and vegetables? And why are they so expensive? Confused Shopper Now Read Mr. Green's answer. Dear Confused Shopper, You're right. Sometimes organic produce doesn't look as nice as nonorganic produce, and it generally costs up to 50 percent more. Let me explain why. Since about 1950, farmers have used chemicals to grow their fruits and vegetables. They use pesticides to kill insects that eat their plants. They use herbicides to kill the weeds that kill their plants. These chemicals are a great help to farmers. By using them, farmers can grow more produce on…
- 3MdkB78cbGduy7EZWApcNC2KZxUFhbuj5LGgsXkmg/formResponse --10 2. * A bee consumes nectar from a flower. Which of the following was described? Two organisms competing for food A producer helping another producer An organism interacting with a nonliving component of its ecosystem An organism depending on another organism for energy 4. 4 Some bats live in a cave.Read the paragraph below. Select the terms that best complete the sentences from the drop down menus. Producers v form the lowest level of the food web. At each link upward in a food web, only a small fraction of the matter consumed at the lower l transferred upward, to produce growth and release energy in cellular respiration ♥ at the higher level. Given this, there are generally more v organisms at higher levels of a food web. Some matter reacts to release energy for life functions, some matter is stored in newly made structures, an much is discarded. The chemical elements that make up the molecules of organisms pass through food webs and into and out of the atmosphere and and they are combined and recombined in different ways. At each link in an ecosystem, matter and energy are created conserved 1 2In the cartoon below, explain why this plant's owner is wrong, and why the poor plant will NOT be able to finish converting its carbon dioxide into organic compounds if she closes the curtains. R NO MORE SUN FOR YOU UNTIL YOU'VE FINISHED CONVERTING EVERY LAST BIT OF YOUR CARBON DIOXIDE INTO ORGANIC COMPOUNDS! 5-90 Piccola 3 RINAPICCOLD.COM
- Which of the following food storage molecules has the highest energy content (per gram)? amylopectin (a type of polysaccharide) amylose (a type of carbohydrate) fat (a type of triglyceride) protein (a type of polypeptide) glycogen (a type of polysaccharide) . During oxygenic photosynthesis in eukaryotes, which substrate molecules provide the oxygen atoms that end up in product water molecules? C6H12O6 and H2O and O2 only H2O and C6H12O6 only C6H12O6 and O2 only H2O only CO2 onlyAfter measuring mass, energy content, and dollar value for each food type, the researchers calculated emissions per kilogram, calorie, and dollar. In every case, red meat produced the most emissions, followed by dairy products and chicken, fish, and eggs. They then calculated that shifting one’s diet from meat and dairy to fruits, vegetables, and grains for just one day per week would reduce emissions as much as eating 100% locally (cutting food-miles to zero) all the time. Knowing all this, how would you choose to reduce your own food footprint? By how much do you think you could reduce itaccording to the chart pie 1)what percentage of energy is produced by fossil fuel? 2)what percentage of energy is produced by energy technologies? 3) how much energy is produced by all alternative energy combined? U.S. energy consumption by energy source, 2017 Total 97.7 quadrillion British thermal units (Btu) Total = 11.0 quadrillion Btu geothermal 2 % solar 6% petroleum 37% - wind 21% biomass waste 4% biofuels 21% renewable energy 11% nuclear electric power 9% biomass 45% natural gas 29% wood 19% coal 14% hydroelectric 25%
