Matching up of homologous pairs of
chromosomes happens in (check all that apply)

meiosis and formation of gametes

Explanation:

hope this helps

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

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.