Early Terrestrial Animals, Evolution, and Uncertainty

  title={Early Terrestrial Animals, Evolution, and Uncertainty},
  author={Russell J Garwood and Gregory D. Edgecombe},
  journal={Evolution: Education and Outreach},
Early terrestrial ecosystems record a fascinating transition in the history of life. Animals and plants had previously lived only in the oceans, but, starting approximately 470 million years ago, began to colonize the previously barren continents. This paper provides an introduction to this period in life’s history, first presenting background information, before focusing on one animal group, the arthropods. It gives examples of the organisms living in early terrestrial communities and then… CONTINUE READING