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A living multi-chambered foram in a modern-day stromatolite.

A living multi-chambered foram in a modern-day stromatolite.
A living multi-chambered foram in a modern-day stromatolite.
A living multi-chambered foram in a modern-day stromatolite.
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396748
Bernhard, Joan
A living multi-chambered foram in a modern-day stromatolite.
Still Image
10/29/2013
ADJUSTED_Ex_sw23_SPR_b8Top_L_nr_intfc_10xD.jpg
Caption from Oceanus magazine, vol. 50, no. 2, page 12:
A living multi-chambered foram in a modern-day stromatolite.
Image Of the Day caption:
What look like grapes or bubbles are actually chambers of a single-celled foraminiferan (or foram). Almost 1mm in diameter, the foram is large enough to see with the naked eye. It was living inside a stromatolite, a rocky structure made of sediment grains held together by compounds made by cyanobacteria and other microbes. Once abundant along ocean shorelines worldwide, stromatolites nearly disappeared about one billion years ago. WHOI scientist Joan Bernhard and colleagues recently showed that foraminifera may have contributed to their decline. This foram from Highborne Cay, Bahamas, has been fluorescently labeled with CellTracker Green".
Photo by Joan Bernhard
© Woods Hole Oceanographic Institution
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