B2 Revision Crossword 0.0 / 5 ? BiologyAdaptations of organisms to their environmentEnergy flow through ecosystemsEvolution, extinction and natural selectionPhotosynthesis and transpirationVariety of life and classificationGCSEOCR Created by: Rebecca112Created on: 28-05-14 15:27 2310894156 Across 1. What can be used to see how similar organisms are and help to reclassify them that was not available 60 years ago? (11) 3. Organisms might also be prevented from mating due to what other type of isolation? (11) 5. What conditions will also slow down decay? (6) 6. What characteristic means that hybrids cannot be classed as a species? (9) 10. What do denitrifying bacteria convert nitrates into in the nitrogen cycle? (11) Down 2. What converts the ammonia to nitrates in the nitrogen cycle? (18) 3. All organisms are named by which system? (14) 4. What organism that feeds of another living organism could also affect how pyramids of biomass look compared to pyramids of numbers? (8) 8. Name one organism that is killed by acid rain (caused by sulfur dioxide)... (4) 9. How do bacteria reproduce? (9)
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