Explore the 5 Biomes: Forest
The forest biome first began to appear on Earth 420 million years ago, and the first forests were dominated by 40-foot-tall ferns!
In the last age of the dinosaurs, the Cretaceous Period, the first flowering plants appeared. Today, forests cover 1/3 of the Earth and come in three climates: Tropical, temperate and boreal (cool and cold forests in Siberia, Canada and Scandinavia). Read more at Berkeley.