7th Grade - Matter and Energy in Ecosystems
Quiz by Carolina Carner
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- Q 1/13Score 0The diagram illustrates photosynthesis in a plant. What form of energy is taken in by the leaf?29chemicalelectricalradiant (light)heat
13 questions
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- Q1The diagram illustrates photosynthesis in a plant. What form of energy is taken in by the leaf?chemicalelectricalradiant (light)heat30s
- Q2Which diagram best shows photosynthesis; the energy transformation from sunlight to chemical energy in an organism?BDCA30s
- Q3Which substance in the equation above represents the food energy made by plants?oxygenwaterglucosecarbon dioxide30s
- Q4The equation above shows photosynthesis in a plant, during which light energy is transformed into…?chemicalhydropowerthermalelectrical30s
- Q5Which of the following is ultimate source of energy in a food chain?sunproducerssecondary consumersprimary consumers30s
- Q6The approximate amount of energy that is transferred from one trophic level to the next is10%50%100%1%30s
- Q7Where do the producers go on this energy pyramid?CDBA30s
- Q8Where do the secondary consumers go on the energy pyramid?DCBA30s
- Q9Where do the tertiary consumers go on the energy pyramid?CBAD30s
- Q10Where do the primary consumers go on this energy pyramid?ADBC30s
- Q11Which of the following food chains best shows the correct flow of energy?birds, plants, aphids, ladybugsplants, aphids, ladybugs, birdsladybugs, aphids, plants, birds30s
- Q12Which organisms in the food web above receive their energy from the same food source in the ecosystem?decomposers and grassesowls and snakeslizards and owls30s
- Q13Plants are an organic compound becausethey contain elements carbon and hydrogen and other elements such as oxygen, phosphorus, nitrogen or sulfur.they contain two or more elements that don’t include carbon.they have 24 atoms30s
