31. Perhaps global mutualism coextinctions are genuinely uncommon, and the model predictions are inaccurate. 32. In other situations, conservation will be facilitated by disrupting mutualisms involving alien species. 33. Mutualism plays a key part in ecology.34. However mutualism has historically received less attention than other interactions such as predation and parasitism. 35. When different species appear to aid each other, it is a case of mutualism . 36. He supported an economic system called mutualism . 37. Others have formed mutualisms with wasps, such as " Parachartergus apicalis ". 38. What maintains genetic variability in the face of selection for mutualism ( cooperative behavior )? 39. West et al . found a similar countermeasure against cheating in legume-rhizobium mutualism . 40. The name comes from the mutualism ).