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- What are some advantages of being part of a food web rather trhan a food chain?The position of an organism along a food chain is known as its.__________ locus location trophic level microcosmThe major food producer(s) for other living organisms is/are cyanobacteria. O algae. O higher plants and algae. O higher plants. O higher plants, cyanobacteria, and algae.
- Many people who want to reduce their ecological footprinthave focused on how much energy is expended (and howmany climate-warming greenhouse gases are emitted) intransporting food from its place of production to its place ofsale. The typical grocery store item is shipped by truck, air,and/or sea for many hundreds of miles before reaching theshelves, and this transport consumes oil. This concern over“food-miles” has helped drive the “locavore” movement tobuy and eat locally sourced food.However, food’s transport from producer to retailer, asmeasured by food-miles, is just one source of carbon emissionsin the overall process of producing and delivering food. In2008, environmental scientists Christopher Weber and H. ScottMathews conducted a thorough life-cycle analysis (p. 400) ofU.S. food production and delivery. By filling in the table below,you will get a better idea of how our dietary choices contribute toclimate change. After measuring mass, energy content, and dollar valuefor each…WRITE ABOUT A THEME: Energy and MatterDecomposition typically occurs quickly in moist tropicalforests. However, waterlogging in the soil of some moisttropical forests results over time in a buildup of organicmatter called “peat.” In a short essay (100–150 words), discussthe relationship of net primary production, net ecosystemproduction, and decomposition for such an ecosystem. AreNPP and NEP likely to be positive? What do you think wouldhappen to NEP if a landowner drained the water from atropical peatland, exposing the organic matter to air?. This form of a food web begins with waste materials and theremains of dead organisms.a. aquaticb. detritalc. grazingd. atmospherice. geological
- 26. The ultimate reason why the number of trophic levels is limited in ecosystems is: energy is recycled through systems slower than matter is. the limits of the biogeochemical cycles. when energy is transformed, some is usually lost as heat. the laws of decomposer efficiency.A Food Web om Eage Pythan Wolf Rat Dragonfly Thrush Frog Butterfly Fruit Fly Grasshopper Mangoes Corn A Flowering Plant Lavenders Look at the food web above to answer the following questions. 1. Which organisms are the producers in this food web? 2. Which organism is an example of a primary consumer? 3. Which organism is an example of a tertiary consumer?20. Which of the following move cyclically through ecosystems? both matter and energy energy neither matter or energy matter
- 1. Using the figure below, generate a food chain with four trophic levels, and identify each level8. Create a food web using the following food chains Berries to Deer to Black bear Algae to Salmon to Black bear Algae to Squid to Blue shark to Humans 9. Create a Food pyramid using the terms produces and consumers along with organisms from #8. Explain the energy transfer 10. Tom goes to Max's Bistro and orders the Blue shark, which gives him 2 kCal of energy. How much energy, on average, would have been necessary in the algae plants to sustain Tom's meal? Explain how you got your answer.10) Which statement best describes a characteristic of an ecosystem?