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Question and answer
Q: Stromatolites are?
A: Stromatolites are layered structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae). They include some of the most ancient records of life on Earth.
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Asked 3/6/2011 3:52:16 PM
Updated 6/17/2014 12:54:57 PM
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Stromatolites are layered structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae). They include some of the most ancient records of life on Earth.
Added 6/17/2014 11:25:27 AM
This answer has been confirmed as correct and helpful.
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Stromatolites are layered structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae). They include some of the most ancient records of life on Earth. See:
Added 3/6/2011 4:53:25 PM
Janet, please try to answer in your own words. The only exception to the c&p rule is for direct definitions but they should be limited to one sentence.
Added 6/17/2014 11:56:12 AM
I checked the wording very carefully, and weighed up my decision, before I reproduced the original entry. It is not an exact copy of the wikipedia entry (we are allowed to paraphrase) and I considered that the original expert had expressed the answer as well if not better than I could have myself.
Added 6/17/2014 12:54:57 PM
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Questions asked by the same visitor
The scientific study of fossils is?
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Expert Answered
Updated 7/7/2015 3:30:17 PM
1 Answer/Comment
The scientific study of fossils is called Paleontology.
Added 7/7/2015 3:30:15 PM
This answer has been confirmed as correct and helpful.
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