█ روعة وجميل كتاب General Concepts on the Evolutionary Biology of Parasites مجاناً PDF اونلاين 2025 نبذه عن الكتاب: Parasitism is a very common way life, and probably prevalent means obtaining food among organisms Adaptive radiation parasites has been extensive, and yet ecological and evolutionary concepts parasitism are poorly developed Although Elton (1927) devoted a chapter in his pioneering ecology book to parasitism conclusion was that resemblances between predators parasites are more important than differences This attitude now ecology texts (e g Andrewartha Birch, 1954; Odum, 1971;