Science core 0.0 / 5 ? ScienceBiologyGCSEEdexcel Created by: rebeccacthompsonCreated on: 29-04-15 20:21 How does a human body protect itself from pathogens? Tears-lysozyme, mucus, blood clots in cuts, hydrochloric acid in stomach 1 of 9 Tapeworms Parasitism, absorbs nutrients from hosts gut, weight loss 2 of 9 Mistletoe Parasitism, rots grow into veins of host tree, absorbs water and minerals 3 of 9 Legumes Mutualistic, nitrogen fixing bacteria lives inside, bacteria is protected, plant gets nitrogen compounds for growth 4 of 9 Chemosynthetic bacteria Tubeworms get chemical substances that the bacteria needs for chemosynthesis, the tubeworms feed on substances made by bacteria 5 of 9 Blackspot fungus Unpolluted areas as sulfur dioxide causes it 6 of 9 Lichens Pollution, mutualistic relationship between fungus and alga 7 of 9 Stonefly larvae and freshwater shrimp Need oxygen 8 of 9 Bloodworms and sludgeworms Little oxygen needed 9 of 9
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