Reconstructing The Evolution Of Ancient Microbes?
Monday, December 20, 2010 - 13:40
in Paleontology & Archaeology
580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, defined by the birth of new life forms over many millions of years that ultimately helped bring about the modern diversity of animals. While fossils can help palaeontologists chronicle the evolution of life since the Cambrian Explosion, drawing a picture of life during the 3 billion years before the Cambrian Period is challenging because the soft-bodied Precambrian cells rarely left fossil imprints; early life forms did leave behind one abundant microscopic fossil, DNA. read more