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2. What is a cephalic alae? Give a
3. Give the similarity of Ancylostoma brazilinese and Ancylostoma ceylanicum?
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- 1. Discuss the type of parasitic zoonoses. 2. What are the classification of the following example of parasitic zoonoses: a. Angiostrongylus cantonensis b. Toxoplasmosis c. Trichinella spiralis Answer 1 and 2 a,b,c1. What is not true of a chytrid?. A They are unicellular. B They have flagellated spores. C They have gametes that are not found in the other phyla. D Rhizopus stolonifer is a common exampleWhich of the following is not true of Acanthostega? It was aquatic It had gills It had four limbs It laid shelled eggs.
- How does a perforated pharynx enable hemichordates to acquire food and oxygen from seawater?Why are fungal infections of the lungs potentially life-threatening? 3. Why is Histoplasma capsulatum found in bird feces but not within bird tissue? What are the public health implications of this?1. Compare the morphological characteristics of the roundworms ( A. Ascaris lumbricoides, B. Trichinella spiralis, C. Enterobius vermicularis and D. Trichiuris trichiura)
- 1. How is euglena considered, a plant or an animal? explain 2. Give some economic importance of protozoans.1. according to the presence or absence of a posterior sensry organ, which of the following does not belong in the group? a. Ascaris b. Trichuris c. Strongyloides d. Enterobius e. Hookworms 2. In a pseudphyllidean cestode, the transformation of the procercoid larvae occurs in the: A. 1st definitive host B. 2nd definitive host C. 1st intermediate host D. 2nd intermediate host 3. What is the infective stage for schistosoma parasites? a. Miracidium b. Coracidium c. Cercaria d. Meracercaria e. A and B 4. Which of the following does not reside in the small intestines? a. Hookworms b. Strongyloides c. Ascaris d. Trichuris e. Capillaria 5. Reduction in prevalence is best measure by? a. Egg reduction rate b. Coverage c. Efficacy d. Cure rate e. A and C 6. Which of the following parasites can be transmitted through transmammary route? a. Trichomonas vaginalis b. Toxoplasma gondii c. Ancylostoma species d. Schistosoma species e. Babesia species1. How did light exposure affect the survival of Daphnia when exposed to a predator? Explain it thoroughly and do not just copy from somewhere, please.
- 1. Describe the protozoan characteristics that illustrate why protozoa are informally placed into a single group. a. List three means of locomotion exhibited by protozoa.b.Explain why a cyst stage may be useful to a protozoan. (what is a trophozoite?) c. Give an example of a disease caused by each of the four types of protozoa1. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.Describe the ff 1. Trypanosoma 2. Arcella Sp. 3. Peridinium
