41. This form of parasitism is known as mycoheterotrophy. 42. The success rate of parasitism in each of the three prey species was noted. 43. However mutualism has historically received less attention than other interactions such as predation and parasitism . 44. The incidence of brood parasitism is uncertain. 45. The level of parasitism is low because the cuckoo's eggs are often rejected. 46. To a lesser extent, brown-headed cowbird parasitism is also threatening this species. 47. Pathogen Introduction ( parasitism ) is one of the biological methods to eradicate alien species. 48. They are rarely victims of cowbird parasitism . 49. The evolutionary event which gave rise to parasitism in plants was the development of haustoria. 50. This species is hemiparasitic, meaning it receives energy from both photosynthesis and root parasitism .
