Flexi Says: Fossils can also tell us how plants and animals lived in the past. Fossils of plants are found in Antarctica. Now, Antarctica is almost completely covered with ice. Plants do not grow in Antarctica. According to fossils, they once did. This means that Antarctica was once much warmer than it is now. These fossils tell us about Antarctica's past climate. Fossil of fruit dated 52 million years ago was found in South America.