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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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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: 29

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: 29

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: 860

Strange insect I've found

Ok so I visited my home country (Vietnam), and one day, in my house I found an insect in my room. So I took pictures of it and threw it out into my garden again. Since I forgot my wires, I can't connect my phone to my comp, so I'll give a description of it and hopefully post the picture soon. Basica...

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by Azedenkae
Wed Jun 20, 2007 2:44 pm
 
Forum: Zoology Discussion
Topic: Strange insect I've found
Replies: 5
Views: 1412

The Fiber Disease

... biosis = living). Examples are nitrogen-fixing bacteria (called rhizobia) which live in root nodules on legume roots, single-celled algae inside reef-building corals, and bacterial endosymbionts inside several insect species. Many other examples of endosymbiosis exist. It is estimated that beneficial ...

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by Skytroll
Mon Aug 21, 2006 7:46 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748745
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