Unformatted text preview: b. How many of these are present in each segment shown here? PROGLOTTID, 2 Part II Short Answer (4pts) 6. List 2 differences between Pseudophyllidean and Cyclophyllidean tapeworms. Pseudophyllidean Cyclophyllidean 1. DIFFERENCES IN SCOLEX STRUCTURE, LIFE STAGES, GENITAL OPENING LOCATION AND NUMBER, ONE IS MORE PRIMITIVE, THE OTHER MORE DERIVED, ETC Part III Short Answer 2 (11pts) USE BACK OF PAPER IF NEEDED 7. List in order all the life stages of a typical Pseudophyllidean tapeworm starting with the egg and ending with the adult (HINT: there are 5 stages total). EGG – CORACIDIUM – PROCERCOID – PLEUROCERCOID - ADULT 8. Describe the life cycle pathway of an ascarid nematode starting from the egg and ending with the adult (outline all the systems through which it travels in the host). EGG LEAVES WITH FECES, INGESTED, LARVAE MOVES FROM DIGESTIVE SYSTEM TO CIRCULATORY, TO RESPIRATORY, AND BACK TO DIGESTIVE....
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- Winter '08
- Reproduction, Cestoda, Parasitology Lab Quiz, arthropod intermediate host, juvenile stage