All of the following except the resistance of demonstrate artificially selected resistance. a) beef cattle, to "shipping fever", b) many agricultural wheat varieties, to drought and fungus, c) antarctic fish to freezing, due to antifreeze proteins in their blood, d) many common grasshopper species to pesticides, such as diazinon, sevin, and others,

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.