Bio 201 F09 Lowry lect 34 (L34) parasitism

Bio 201 F09 Lowry lect 34 (L34) parasitism - Most common...

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1 * = bacterial ˚ = bacterial or viral 10. Syphilis * ~ 12.2 million cases worldwide Death toll: 157,000 / year 9. Meningitis ˚ > million people Death toll: 174,000 / year 8. Tetanus * > 500,000 cases / year Death toll: 214,000 / year 7. Whooping cough* 20-40 million cases / year Death toll: 300,000 / year 6. Measles mostly children >30 million / year Death toll: 530,000 / year 5. Tuberculosis * 8 million/year , 2 billion infected Death toll: Two million / year 4. Diarrhea * Death toll: 2.2 million / year In Southeast Asia, diarrhea = 8.5 percent of all deaths in Africa = 7.7 percent 3. Malaria ** 300-500 million / year Death toll: 1-5 million / year 2. HIV/AIDS Death toll: 3 million deaths in 2004 1. Lower respiratory infections ˚ Death toll: 4 million / year = pneumonia and other diseases of the lungs Most common infectious diseases in World (2004) Most common infectious diseases in U.S. * * * * * * Herbivory Herbivory • Similar to predation – a factor affecting population persistence, community composition • Herbivores consume or destroy ~18% of terrestrial plant biomass >50% in aquatic systems Measuring Effects of Herbivory
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Bio 201 F09 Lowry lect 34 (L34) parasitism - Most common...

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