Peaches originated in china, and have been carried to much of the populated world. tomatoes are native to the andes. squash, maize, and tobacco are native to the americas, but were brought to europe. all of these important plant species would be consider species.

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.

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