TEKS Grade 7 Science - 7.5 - Diagnostic Energy Flow
Quiz by Texas Education Agency
Grade 7
Science (2017)
Texas Essential Knowledge and Skills (TEKS)
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- Q 1/10Score 0The flow of energy in some Australian food chains is modeled in the energy pyramid below. Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?29Eucalyptus treesChuditchWedge-tailed eaglesRing-tailed opossums
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- Q1The flow of energy in some Australian food chains is modeled in the energy pyramid below. Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?Eucalyptus treesChuditchWedge-tailed eaglesRing-tailed opossums30s7.5b
- Q2Which BEST explains the importance of nitrogen in the cycling of energy and matter?Nitrogen increases protein production in plants.Nitrogen decreases protein production in plants.Nitrogen decreases the effectiveness of photosynthesisNitrogen increases the effectiveness of photosynthesis30s7.5b
- Q3Where do plants get most of the energy they need to live and grow?sunlightsoilairwater30s7.5a
- Q4In a food pyramid, which BEST explains why the number of organisms decreases from one trophic level to the next?Consumers at the top level require more energy than the lower-level consumers.The consumers are feeding on smaller organisms that have less energy.The consumers are feeding on larger organisms that have less energy.Consumers at the lower level require more energy than the top-level consumers.30s7.5b
- Q5Consider this food web: Where is the largest amount of energy found in this food web?grasshopperhawkgrassmouse30s7.5b
- Q6An energy pyramid is shown. Which sentence best describes how energy flows through this pyramid?The organisms at the bottom level provide energy directly to organisms in all the other levels.The energy lost at each level is consumed by organisms in the top level.Energy is transferred down each level of the energy pyramid.Energy is transferred from organisms in one level to those in the level above.30s7.5b
- Q7The chart lists organisms in five different categories living near the Texas Gulf Coast. Based on the chart, which food chain best models a flow of energy in this ecosystem?30s7.5b
- Q8The flowchart below represents the process of photosynthesis. One step in the process is labeled X. Which activity occurs at X?Plants are eaten by animals for food.Carbon dioxide and water are used to make sugarAnimals breathe out carbon dioxide.Plants release water into the soil.30s7.5a
- Q9An organism that contains chloroplasts is able to produce food by the process ofreproductionrespirationdigestionphotosynthesis30s7.5a
- Q10What provides the energy for photosynthesis?oxygenglucosewatersunlight30s7.5a
