Energy and ecosystems. 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelAQA Created by: HannahCreated on: 24-04-14 15:46 7428916510 Across 1. creates mass from the suns energy (8) 4. pyramids of ________: uses dry mass so a small sample is used (7) 5. energy from ___ ___ is lost by reflection or is the wrong wavelength (3, 3) 9. method of control which doesn't completely eradicate (10) 10. energy available after / energy before x 100 (6, 8) Down 1. substance which kills human competition for food (9) 2. created for the benefit of humans, to make energy transfer more efficient (11) 6. pyramids of ______: data collected over a period of time (6) 7. pyramids of ______: no account of size, hard to represent (6) 8. feeding relationships (4, 6)
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