Energy and Ecosystems Looks at energy transfere, food production and pest control. 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelAQA Created by: tcrjCreated on: 07-11-14 11:22 What is a decomposer? An enzyme that breaks down dead matter 1 of 14 What is a detritrove? Has a mouth and breaks down dead matter 2 of 14 What is energy transfer measured in? KJ m-2 year-1 3 of 14 What is on the first trophic level Producer 4 of 14 What is net production? Energy used as biomass 5 of 14 What is the efficiency of this energy transfer - Rabbit has 6350KJm-2 year-1 a fox has 1250KJ m-2 year-1? 19.8% 6 of 14 Which pyramids cannot have an inverted triangle Energy 7 of 14 Which pyramid is this a positive for - easy to read and understand? Number 8 of 14 Which pyramid does consider time as a factor? Energy 9 of 14 What additional energy is added to a agricultural ecosystem? Food and fossil fuels 10 of 14 An advantage of inorganic fertilizers? Soluble so has a quick effect 11 of 14 What is it called when extra fertilizers has no impact on yield? Law of diminishing returns 12 of 14 How does restricted movement aid rate of growth? Less energy in muscle contractions 13 of 14 How has the use of antibiotics in farming adversely affected humans? Increased antibiotic resistance 14 of 14
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