Navigation Links
Ancient whale fall from California's Año Nuevo Island one of youngest, most complete known
Date:9/13/2007

clams in all, each less than a centimeter in length, or two-fifths of an inch, plus one snail. Most of these organisms were on the skull, but some were nestled in the vertebrae. Haasl, a mollusk expert, thought the clams might be similar to those that cluster around whale falls today and that are able to extract energy from chemicals in bones with the help of specialized symbiotic bacteria. At whale fall depths of more than 1,000 meters, there is no light for photosynthesis.

Based on the shape of the fossil clam shells attached to the whale skeleton, Pyenson and Haasl determined that they belong to the same group of mollusks whose living relatives are chemosynthetic, confirming their initial hypothesis that this was a whale fall. A visit by Pyenson and Haasl to Ao Nuevo Island in January 2007 showed that the whale came from 15 million-year-old sediments, the Monterey Formation, making the A o Nuevo find much younger than most fossil whale falls discovered around the globe, the oldest of which date from 40 million years ago, Pyenson said.

Whale falls were unknown to science until 1989, when the first example of a deep-sea community living on recently deceased whale carcasses was reported from southern California.

"The ocean floor is pretty much a desert until you get a whole whale carcass sinking to the bottom," Pyenson said. "We don't know how these creatures know to colonize it. Are they ever-present on the sea floor waiting for an animal to fall" But when the whale carcass hits, it forms this island refuge of high nutrient levels that can sustain an undersea community, some scientists calculate, for decades."

Over the past 18 years, more whale falls have been found around the world, and paleontologists have found examples in the fossil record as well. Most fossil examples, however, consist of isolated bones adjacent to deep-sea mollusks, Pyenson said. Little is known about the size or identity of the whale host.

In cont
'/>"/>

Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Ancient olfaction protein is shared by many bugs, offering new pest control target
2. Researchers find missing genes of ancient organism
3. Family trees of ancient bacteria reveal evolutionary moves
4. Scientists find fossil proof of Egypts ancient climate
5. U-M team recovers ancient whale in Egyptian desert
6. Ancient immune defense mechanism is no match for HIV-1
7. Ancient DNA helps clarify the origins of two extinct New World horse species
8. Deep sea algae connect ancient climate, carbon dioxide and vegetation
9. Analysis of flower genes reveals the fate of an ancient gene duplication
10. Researchers Discover Ancient Origins Of Tuberculosis-causing Bacteria
11. Ancient DNA confirms single origin of Malagasy primates
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/11/2015)... Ohio , May 11, 2015  Through a well-rounded ... Ohio had a strong showing at AUVSI,s Unmanned ... These representatives of Ohio,s UAS industry ... and abroad from all points along the UAS ecosystem. ... Development Coalition,s (DDC) Vice President for Aerospace Rich Knoll ...
(Date:5/8/2015)... 2015 Synaptics Inc. (NASDAQ: SYNA ), the ... of the executive management team will present at the following ... and Telecom Conference Date: May 18, 2015 Time: ... MA Cowen and Company Technology, Media ... Location: The New York Palace Hotel, New York, ...
(Date:5/5/2015)... 2015, NXT-ID, Inc. (NASDAQ: NXTD ) ("NXT-ID" ... growing mobile commerce market, reminds investors and media that  Mr. ... presenting  at CARTES SECURE CONNEXIONS AMERICA 2015, held in ... The three-day conference is organized into a series of ... themed Global Fraud: Where is the Trust in Cyberspace? ...
Breaking Biology News(10 mins):Ohio Flies High at Unmanned '15, Sets Stage for Ohio UAS Conference 2Synaptics to Present at Upcoming Investor Conferences 2NXT-ID, Inc.'s CTO, David Tunnell, Presents at CARTES SECURE CONNEXIONS AMERICA 2015 Today in Washington DC. 2NXT-ID, Inc.'s CTO, David Tunnell, Presents at CARTES SECURE CONNEXIONS AMERICA 2015 Today in Washington DC. 3
... piece of information to be of any use, one must first ... Nowadays, there is often just too much of it. We are ... night, assisting us to find, digest and comprehend it. In this ... for a barrier-free accessibility of content that can be harvested, extracted, ...
... tiny goggles, scientists say they have learned that the ... stimuli, but also can "learn" time intervals and create ... a team at the Johns Hopkins University School of ... light on learning and memory-making, the investigators say, and ...
... and Ghent, Belgium, January 23, 2013 Hundreds of ... scheduled to convene in Ghent, Belgium, from June 25-28 ... (ICG-Europe 2013). The conference, co-organized by BGI and VIB, ... in plant and animal genomics, metagenomics, as well as ...
Cached Biology News:Pensoft Publishers integrate their journal platform with OpenAIRE 2Pavlov's rats? Rodents trained to link rewards to visual cues 2Pavlov's rats? Rodents trained to link rewards to visual cues 3Pavlov's rats? Rodents trained to link rewards to visual cues 4The 2013 International Conference on Genomics in Europe will take place in Ghent, Belgium 2
(Date:5/21/2015)... uBiome, the leading startup focused ... PicnicHealth, a healthcare company that collects and consolidates ... Bowel Disease (IBD) will receive a complementary PicnicHealth ... kit. Both companies were funded by Y Combinator ... more information on this partnership and how to ...
(Date:5/21/2015)... 2015 Patent Offering, The patent’s technology ... or therapeutic imaging within a body lumen (open space). ... having a low cost, single-use disposable illumination and camera ... October 18, 2013 and the patent approval was received ... physician to customize the lighting and magnification of the ...
(Date:5/21/2015)... - RepliCel Life Sciences Inc. (TSX.V: RP) (OTCQB: ... on the development of autologous cell therapies, announced ... Society for Cellular Therapy (ISCT) on RepliCel,s autologous ... a Phase 1/2 clinical trial.  The presentation, taking ... PM to 7:00 PM local time, will review ...
(Date:5/20/2015)... 20, 2015 Research and Markets ( ... "Top Technologies in HW_Technical Insights" report to their ... evaluated technology trends in the Health and Wellness sector ... to have an impact in the year 2015. The ... top 10 health and wellness technologies that are anticipated ...
Breaking Biology Technology:uBiome Partners with PicnicHealth 2uBiome Partners with PicnicHealth 3IpAuctions™ Presents The Worlds Smallest Disposable Illuminated Endoscope For Auction 2IpAuctions™ Presents The Worlds Smallest Disposable Illuminated Endoscope For Auction 3RepliCel to Present Unique Autologous Cell Treatment for Achilles Tendinosis at International Society for Cellular Therapy Conference 2RepliCel to Present Unique Autologous Cell Treatment for Achilles Tendinosis at International Society for Cellular Therapy Conference 3Top Technologies in the Health and Wellness Industry 2015 2
... KUNMING, China, Nov. 12 /Xinhua-PRNewswire-FirstCall/ -- China ... ("China Shenghuo" or the,"Company"), which is engaged ... pharmaceutical, nutritional supplement and cosmetic products,in the ... the NYSE Alternext,US LLC (formerly the American ...
... Pa., Nov. 12 GEL Interactive,Technologies, a Cadient ... Director, will be a featured speaker at the ... on Defining Appropriate,and Effective Interactions with Thought Leaders ... Forum provides a platform for attendees to interact,and ...
... Nov. 12 Phosphagenics,Limited ("Phosphagenics") (ASX: POH; OTCQX: ... phase 1 human clinical trial using its ... delivery of a leading non steroidal,anti-inflammatory drug ... and penetration of the topically applied Voltaren(R) ...
Cached Biology Technology:NYSE Alternext US Accepts China Shenghuo's Compliance Plan for Continued Listing 2NYSE Alternext US Accepts China Shenghuo's Compliance Plan for Continued Listing 3NYSE Alternext US Accepts China Shenghuo's Compliance Plan for Continued Listing 4Cadient Group's GEL Interactive Technologies to Present and Exhibit at CBI's 5th Annual Forum 2Transdermal Diclofenac enters Phase 1 Clinical Trial in Humans 2
The HQ505, 20 OptiGreen filter for the Molecular Imager FX is a band pass filter used for detection of Cy2 and FITC with 532 nm excitation....
... The APO-BRDU Kit is a 2-color staining ... cellular DNA to detect apoptotic cells by ... and reagents required for measuring apoptosis in ... for assessing reagent performance; washing, reaction and ...
... The ApopTag Red In Situ ... situ by the indirect TUNEL method, ... rhodamine fluorochrome. The kit provides indirect ... are analyzed using either fluorescence microscopy ...
The sample holders for gels are used to hold gels in place in the multi-sample tray I, which is used with Molecular Imager FX imaging systems....
Biology Products: