PPT-Distribution of a plant parasite on its host:

gall distribution on the flowering dogwood Cornus florida Purpose To determine the distribution of midge galls on dogwood trees and to investigate some environmental factors that might influence distribution. on its host . and. Reproductive and Somatic Effort . BIOL. 3060. Distribution of a plant parasite on its host: . gall distribution on the flowering dogwood, . Cornus. . florida. Flowering dogwood. , . gall distribution on the flowering dogwood, . Cornus. . florida. BIOL3060. Overview. (A) Parasite: . Gall Midge Fly . (. Resseliella. . clavula. ). (B) Host: . Flowering dogwood . (. Cornus. . floria. i. ): . The parasite niche. CfE . Advanced Higher. Unit 2 Organisms and Evolution. SQA mandatory key information. Parasites tend to have a narrow niche as they have high host specificity and may lead to parasites which are degenerate. They are lacking in structures and organs found in other organisms. . Kara Cromwell & Bobbi . Peckarsky. Photo: Angus McIntosh. INCREASING PARASITISM. Baetis. . bicaudatus. Gasteromermis. healthy . Baetis. lifecycle. p. arasitized . Baetis. -. mermithid lifecycle. Mrs. Ohoud . S.alhumaidan. Introduction . Paraitology. : . Parasitism : . (chapter 21). Parasite : . is an organism baring food and shelter temporarily or permanent and living in or on another organism. Unit 2 – Organisms and Evolution. Parasitism. A: Ecological niche and competition. B: Parasite niches. C: Transmission and host behaviour. D: Parasitic life cycles. E: . Immune response to parasites. CfE . Advanced Higher. Unit 2 Organisms and Evolution. SQA . mandatory key information. Parasites tend to have a narrow niche as they have high host specificity and may lead to parasites which are degenerate. They are lacking in structures and organs found in other organisms. . : . Parasitism : . (chapter 21. ). Two organisms living together, one is benefited ‘’called parasite’’ and the other is harmed ‘’called host’’. Parasite : . I. s . an organism baring food and shelter temporarily or permanent and living in or on another organism. Faculty of Science . Medical Analysis Dep.. Medical parasitology I. lec-2-. Grade -3- fall semester . By:. Dr.Hemdad. . Hawez. . Mawlood. 1. 2. Zoonosis. This term is used to describe . an animal . Parasitology . BY. Prof. Dr. Suzan A. Al-azizz. Nomenclature of Parasites:. Each parasite possesses two names, a generic and a specific that the former begins with an initial capital and the latter with an initial small letter, after which comes the designator's name followed by punctuation and finally the year. The generic and specific names are in italics but not the designator's name. For example:. Parasites. . are traditionally considered to be . protists. , . worms and arthropods, adapting themselves to live in or on another organisms termed host. The relationship between two dissimilar organisms that are adapted to living together is called symbiosis and the associates are . Protozoa and . helminths. (animal parasites) are studied in medical . parasitology. .. Parasite may be classified as :. Ectoparasite. -. . They inhabit the surface of the body of the host without . By . Dr. . . Saif. . alshalah. Definition . of Terms Used in . Parasitology. Parasitology:- . is a science that deals with parasites.. Medical Parasitology. :- Is the study of parasites that causes disease . Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. Introduction. Parasitology is the branch of biology concerned with the phenomenon of dependence of one living organism on another. Medical parasitology deals with the parasites which infect man, the diseases they produce, the response generated by him against them, and various methods of diagnosis, prevention and treatment..