B1 0.0 / 5 ? BiologyDecompositionGCSEEdexcel Created by: callumrai1Created on: 10-04-17 13:29 8109371546 Across 1. This acts as a barrier for micro-organisms, when damaged it clots quickly to seal it. (4) 4. This is sensitive to sulfur dioxide so when found on rose leaves it indicates clean air. (9, 6) 5. Freshwater shrimp and this require a good concentration of oxygen so indicated clean water. (8, 6) 6. This is the chemical in tears that kill bacteria. (8) 10. To calculate BMI it is mass divided by this squared. (6) Down 1. Bloodworm and this indicated polluted water. (10) 3. The respiratory tract is lined with mucus and this. The mucus traps microorganisms and this sweeps them away. (5) 7. Animal cells do not have this but plantae do. (4, 4) 8. This is the name of a long term liver issue caused by alcohol. (5, 9) 9. The animal vector from malaria is this. (9)
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