Biology b4.1 Ecosystems 0.0 / 5 ? BiologyEcology and Environmental ScienceGCSEOCR Created by: keiraswainsonCreated on: 20-09-21 18:26 96234517108 Across 1. Organisms fighting for resources (11) 6. The main process which removes CO2 from the atmosphere (14) 8. A gas used to make DNA and proteins (8) 10. Something that is affected by biotic and abiotic factors (9) Down 2. The area in which a community of organisms live (7) 3. Nutrient cycling is often sped up by this (11) 4. The interdependent ecological relationship involving prey (9) 5. A pyramid of ....... where ....... decreases at every level (7) 7. An ecological relationship where both organisms benefit (9) 9. Loss of water vapour through plants (13)
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