Scientists who studies wildlife in and around the great lakes area found their results to be disturbing. a large number of birds were born with partially developed eyes, crossed bills and webbed feet. what can infer is the reason?

Some key reasons for partially developed offspring:

• Genetic issues, parents sexual organs incorrectly formed, in turn malforming the offspring

• Pollution, parents consuming something they shouldn't have while the offspring was developing

• Breeding between relations; accidently mating with a brother or sister, in turn causing defects as many of the genes are the same

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.