Which of these is NOT a reason organisms migrate? reproduction
warmer temperatures
higher availability of food
to find more predators

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.

you know they are heterozygous for a trait because they have it as jj or jj.