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Reef

reef

1. A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.

2. (Science: chemical) A large vein of auriferous quartz; so called in australia. Hence, any body of rock yielding valuable ore.

(Science: zoology) Reef builder, any heron of the genus Demigretta; as, the blue reef heron (D.jugularis) of australia.

Origin: Akin to D. Rif, G. Riff, Icel. Rif, Dan. Rev; cf. Icel. Rifa rift, rent, fissure, rifa to rive, bear. Cf. Rift, Rive.


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niches?

... "Competition is a paradigm within Ecology" was beaten into our heads in school. Think about corals competing for light and space on the reef with sponges, soft corals, bivalves and algae. Different kingdoms, phylums and orders all occupying and competing in the same space for the same ...

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by Endangered
Fri Jan 01, 2010 1:43 am
 
Forum: Ecology
Topic: niches?
Replies: 4
Views: 2493

coral growth vessels for transport and production

... fact is they work and there are no others like them in the world, so this is unique biology to say the least. These are the smallest true reef tanks in the world, hope you enjoy a litle ten minute show of my casa. If I had a dime for every coral expert who doubted :) lol... http://www.youtube.com/watch?v=_XOsitYhihc

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by hypergraphicreef
Tue Nov 03, 2009 3:11 pm
 
Forum: General Discussion
Topic: coral growth vessels for transport and production
Replies: 6
Views: 2660

Re:

... offer you a more enticing choice of field work, ie.. which has animals that are of more interest to you? Obviously Australia has the Great Barrier Reef which would be amazing for a marine biologist to be near. The biodiversity and the climate by the university of Queensland are without a doubt ...

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by Chrism
Mon Sep 07, 2009 7:06 pm
 
Forum: General Discussion
Topic: Biology at the university
Replies: 3
Views: 7123

Biology at the university

... offer you a more enticing choice of field work, ie.. which has animals that are of more interest to you? Obviously Australia has the Great Barrier Reef which would be amazing for a marine biologist to be near.

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by jyaron
Sat Sep 05, 2009 10:25 pm
 
Forum: General Discussion
Topic: Biology at the university
Replies: 3
Views: 7123

Stromatolites

Stromatolites are pretty important organisms, seeing as they where the dominant reef builders for most of the Precambrian period. Stromatolites are made of Cyanobacteria as well as a few other prokaryotes. Their structures vary from laminar sheets to domes and ...

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by Draco
Tue Oct 28, 2008 2:41 pm
 
Forum: Ecology
Topic: Stromatolites
Replies: 0
Views: 5190
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