 
 <prompt> Wetin happun sake of say di continents dey connected? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: South America and North America join together through Panama Isthmus during Pliocene, wey cause South America unique animals wey dey pouch to nearly finish. The formation of Panama Isthmus affect global temperatures, as warm ocean currents stop and Atlantic begin to cool, with cold Arctic and Antarctic waters make Atlantic Ocean cold. Africa and Europe collision form Mediterranean Sea, wey cut off Tethys Ocean. Sea level change show land-bridge between Alaska and Asia. Towards end of Pliocene, about 2.58 million years ago (start of Quaternary Period), ice age start. Polar regions don dey experience ice and thaw cycle wey dey repeat every 40,000–100,000 years. 