Bio 113 Portfolio
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  • Prion
    • Life Cycles
    • Evolutionary History
    • Kuru
    • Sources
  • Virus
    • Life Cycles
    • Evolutionary History
    • Rabies
    • Sources
  • Bacteria
    • Life Cycles
    • Evolutionary History
    • Pseudomonas syringae
    • Borrelia burgdorferi
    • Sources
  • Archaea
    • Life Cycles
    • Evolutionary History
    • Sulpholobus acidocaldarius
    • Sources
  • Protista
    • Life Cycles
    • Evolutionary History
    • Giardia lamblia
    • Phytophthora infestans
    • Hexacontium enthacanthum
    • Corallina officinalis
    • Discostelium discoideum
    • Sources
  • Plantae
    • Life Cycles
    • Evolutionary History
    • Dicranum polysetum
    • Adiantum aleuticum
    • Ginkgo biloba
    • Pyrus communis
    • Magnolia virginiana
    • Sources
  • Fungi
    • Life Cycles
    • Evolutionary History
    • Lentinula edodes
    • Neurospora crassa
    • Gigaspora gigantea
    • Rhizopus stolonifer
    • Batrachochytrium dendrobatidis
    • Sources
  • Animalia
    • Life Cycles
    • Evolutionary History
    • Euplectella aspergillum
    • Lingula anatina
    • Priapulus caudatus
    • Mellita quinquiesperforata
    • Tachyglossus aculeatus
    • Sources
Evolutionary History(3):
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  • Estimates from molecular clock data suggest that the ancestors of the animals diverged from the ancestors of the fungi about 1 billion years ago
  • Other studies say that the common ancestor of living animals may have lived sometime between 675 and 875 million years ago
  • The first accepted fossils of animals range from 565 to 550 million years old: these fossils are members of an early group of multicellular eukaryotes, collectively known as the Ediacaran biota
  • Neoproterozoic rocks have also yielded microscopic signs of early animals
  • Animal diversification appears to have accelerated dramatically from 535- 525 million years ago, during the Cambrian period of the Paleozoic era [Cambrian explosion]
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