Topic 7: Ecology --> Definitions 4.0 / 5 based on 1 rating ? BiologyEcology and Environmental ScienceGCSEAQA Created by: Laura_365Created on: 25-02-19 18:18 9385710146 Across 1. An area of land that is acidic and waterlogged. (3) 4. The interaction of a community of biotic and abiotic parts of their environment. (9) 5. Food made from fungi. (11) 6. Gas made by the anaerobic decay of waste material. (6) Down 1. The mass of living material. (7) 3. Make biogas continually at a steady rate. (10, 9) 7. A stage in a food chain. (7, 5) 8. Decomposed organic matter. (7) 9. Break down any dead plant or animal material left in an environment by secreting enzymes that break the dead organisms down into small soluble food molecules that then diffuse into the microorganisms. (11) 10. The populations of different species living in a habitat. (9)
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