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Unformatted text preview: Sexual Reproduction o Cross fertilization (reciprocal sperm exchange) Class Termatoda Chinease Liver Fluke o A common parasite of humans in Asia o 30 million people are infected by eating raw or undercooked fish Schistosoma Species o Blood flukes infect over 200 million people throughout the world Class Cestoidea (tapeworms) As adults all reside in the digestive tract of vertebrates No mouth, no digestive tract Adult worms consist of repeated units called proglottids and the anterior holdfast structure is a scolex The beef tapeworm, Taeniarhynchus saginatus People get these by cooking rare or uncooked meat Nemotodes (pseudocoelomate) (false body cavity) Eucoelomates True body cavity...
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- Spring '08