http://vocab.lternet.edu/vocab/vocab/http://vocab.lternet.edu/vocab/vocab/skos/336microbes http://vocab.lternet.edu/vocab/vocab/skos/336 bacteria NT http://vocab.lternet.edu/vocab/vocab/skos/336 viruses NT http://vocab.lternet.edu/vocab/vocab/skos/336 protozoa NT http://vocab.lternet.edu/vocab/vocab/skos/336 organisms BT http://vocab.lternet.edu/vocab/vocab/skos/336 microbe UF