Denizens of the Deep

There are so many lively microscopic organisms deep in the Mariana Trench ~ meaning there is both oxygen and plentiful food there ~ that scientists believe the area could play a crucial role in regulating Earth's climate: http://www.bellenews.com/2013/03/18/science-tech/mariana-trench-teems-with-microscopic-life/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Bellenewscom+%28BelleNews.com+Main+Feed%29