The Giant Ground Sloth (Megatherium americanum\textit{Megatherium americanum}Megatherium americanum) is one of the largest prehistoric land mammals known to have existed, reaching the size of a modern elephant.
A scientific reconstruction diagram of a Giant Ground Sloth skeleton has a magnification of ×0.022\times 0.022×0.022. On this diagram, the vertical height of the skeleton from the soles of its hind feet to its crown is measured as 7.7 cm7.7\text{ cm}7.7 cm.
Calculate the actual height of the Giant Ground Sloth in metres.
Explain how a warming global climate could make it difficult for such a large mammal to maintain a constant body temperature, referencing its body size.
Suggest two factors, other than climate warming, that may have caused the Giant Ground Sloth to become extinct.
