researchers have discovered fossils of tropical trees and ferns in modern-day greenland and antarctica. what can be inferred from this evidence? responses greenland and antarctica once had tropical climates. greenland and antarctica once had tropical climates. ocean currents carried the floating fossils to greenland and antarctica. ocean currents carried the floating fossils to greenland and antarctica. migratory birds carried the seeds of the trees and ferns from the tropics migratory birds carried the seeds of the trees and ferns from the tropics the tropical trees and ferns adapted to the colder northern and southern climates.
