Dictionary » E » Excavation



1. A natural cavity, pouch, or recess.

Synonym: excavatio.

2. A cavity formed artificially or as the result of a pathologic process.

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Why fossils record is gappy and crappy

... make up the sea bed are put under such pressure that folding of the material occurs. Furthermore some areas of the sea floor are also too deep for excavation work to take place because of the pressure exerted is too much for a human to survive.

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by Draco
Tue May 27, 2008 6:12 pm
Forum: Evolution
Topic: Why fossils record is gappy and crappy
Replies: 7
Views: 4832

hear the spring peepers-endangered

... up around the state, adding more complexity to the situation. The first pond had been mad-made, which could indicate toxins being stirred up from excavation. The second pond was natural though, creating a whole new list of hypothesis and problems. At this point, researchers were considering ground-water ...

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by AstusAleator
Mon Mar 06, 2006 8:40 pm
Forum: Ecology
Topic: hear the spring peepers-endangered
Replies: 44
Views: 35646

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