Describe some of the changes in the land and in life-forms that occurred at the end of the Paleozoic Era.

during the end of the paleozoic era it was probably one of the greatest mass extinctions on earth and the land started to break up and move around to form what the world looks like today

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.