(migration) wolves on an island in lake superior are isolated from those in canada with only occasional migrants making it across the frozen ice in winter (migration rate 0.05). island wolves have mostly light coats while canadian wolves have dark coats (allele l1). the frequency of the allele for light coats (l2) is at 0.7 in the island wolves but absent in the canadian wolves.

i think its y= -4x-14

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.