Navigation Links
Scientists reveal why life got big in the Earth's early oceans
Date:1/24/2014

Why did life forms first begin to get larger and what advantage did this increase in size provide? UCLA biologists working with an international team of scientists examined the earliest communities of large multicellular organisms in the fossil record to help answer this question.

The life scientists used a novel application of modeling techniques at a variety of scales to understand the scientific processes operating in the deep sea 580 million years ago. The research reveals that an increase in size provided access to nutrient-carrying ocean flow, giving an advantage to multicellular eukaryotes that existed prior to the Cambrian explosion of animal life, said David Jacobs, a professor of ecology and evolutionary biology in the UCLA College of Letters and Science and senior author of the research.

The study findings are published Jan. 23 in the journal Current Biology.

A multidisciplinary research team reconstructed ocean flow in the fossil community using "canopy flow models," a particular class of flow models consistent with the dense spacing of organisms on the ancient seabed.

The research was inspired by the NASA Astrobiology Institute's "Foundations of Complex Life" meeting in Newfoundland, Canada, where the oldest known fossil communities of large, multicellular organisms collectively called rangeomorphs are found on rock surfaces exposed along the coast. These feather- or brush-shaped creatures ranged in size from several millimeters to tens of centimeters in height.

The scientists addressed the absorption properties of the rangeomorphs' surfaces based on the model's results. These rangeomorphs could not photosynthesize because they lived in the extreme depths, where light did not penetrate, Jacobs said. Their complex surfaces suggest that they absorbed dissolved nutrients directly from the water which raises the question of how rangeomorphs competed with bacteria, which also speciali
'/>"/>

Contact: Stuart Wolpert
swolpert@support.ucla.edu
310-206-0511
University of California - Los Angeles
Source:Eurekalert

Page: 1 2

Related biology news :

1. Johns Hopkins scientists identify a key to bodys use of free calcium
2. Scripps Florida scientists offer new insight into neuron changes brought about by aging
3. Spider silk ties scientists up in knots
4. York scientists investigate the fiber of our being
5. Scientists warn: Conservation work in zoos is too random
6. Scientists develop promising drug candidates for pain, addiction
7. Damon Runyon Cancer Research Foundation grants prestigious awards to 20 top young scientists
8. Scientists solve 40-year mystery of how sodium controls opioid brain signaling
9. Harvard scientists control cells following transplantation, from the inside out
10. UCLA life scientists, colleagues differentiate microbial good and evil
11. Symbiotic fungi inhabiting plant roots have major impact on atmospheric carbon, scientists say
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:11/6/2014)... 2014 - Insilico Medicine, Inc, a Baltimore-based bioinformatics ... related diseases announced a research collaboration with the ... Oncology, Inc (OTC: CSBR). , "There are many ... but Champions Oncology,s TumorGraft technology is unique in ... regimen experimentally generating vast amounts of valuable data. ...
(Date:11/5/2014)... in their ability to identify scents and odors. ... perceptual evaluation of odors, with women outperforming men on ... differences in olfactory detection may play a role in ... perception of smell, which is naturally linked to associated ... suggested to be cognitive or emotional, rather than perceptual. ...
(Date:11/4/2014)... Medicine announced today that it is a Grand ... Bill & Melinda Gates Foundation. Laura Goetzl, ... Sciences; and Vice Chair of Research and Academic ... pursue an innovative global health and development research ... Neurodevelopment.", Grand Challenges Explorations (GCE) funds individuals worldwide ...
Breaking Biology News(10 mins):Insilico Medicine, Inc announces research collaboration with Champions Oncology, Inc 2The female nose always knows: Do women have more olfactory neurons? 2Temple University School of Medicine receives Grand Challenges Explorations grant 2
... RIVERSIDE, Calif. Four researchers at the University of California, ... the Advancement of Science ( AAAS ). Including this year,s ... have been recognized with AAAS Fellow distinction is 194. ... members by their peers. This year AAAS gave this honor ...
... risk of attack has led to the development of ... larval stage. One caterpillar may look like a stick, ... may have its advantages, University of Florida researchers uncovered ... another strategy previously best-known in adult butterflies: mimicry. ...
... , The Ontario Genomics Institute (OGI) has awarded two ... leading-edge technologies to better aid the work of Ontario ... Applied Genomics (TCAG), part of The Hospital for Sick ... and Technology Innovation Centre, and StemCore Laboratories based at ...
Cached Biology News:4 UC Riverside researchers receive national recognition 2Caterpillars mimic one another for survival 2Caterpillars mimic one another for survival 32 research facilities awarded technology seeding grants 2
(Date:11/21/2014)... November 20, 2014 BlueInGreen, LLC ... Solutions, LLC (Pinnacle), and PCI, Inc., leading suppliers ... they have been selected to provide a new ... Arkansas Paul R. Noland Wastewater Treatment. The ... HyDOZ® gas dissolution technology, Pinnacle Ozone‚Äôs ...
(Date:11/21/2014)... Nov. 20, 2014 /CNW/ - Aequus Pharmaceuticals Inc. ... that it has closed a brokered private placement ... approximately C$3.7 million.  Cormark Securities Inc. and Clarus ... Brokered Offering for a syndicate of agents that ... Corp. (collectively the "Agents"). Concurrently with the Brokered ...
(Date:11/18/2014)... Cirrascale Corporation ®, a ... rackmount computing infrastructure, today announced it will offer ... its GPU-enabled blade server and high-performance workstation product ... proprietary 80-lane Gen3 PCIe switch-enabled risers, the GB5400 ... dual-GPU accelerator cards in a single blade, allowing ...
(Date:11/18/2014)... Ft. Lauderdale, FL (PRWEB) November 18, 2014 ... 12) have announced the launch of PAWSitively Curing ... Awareness Month. This new 501(c) (3) non-profit organization is ... Every dollar donated goes directly to the University ... proud to partner with PAWSitively Curing Cancer as the ...
Breaking Biology Technology:City of Fayetteville Leads Nation with Innovative Ozone Technology 2City of Fayetteville Leads Nation with Innovative Ozone Technology 3City of Fayetteville Leads Nation with Innovative Ozone Technology 4Aequus Pharmaceuticals closes $4.2 million private placement financing 2Aequus Pharmaceuticals closes $4.2 million private placement financing 3Cirrascale® Expands Multi-GPU Peering Solutions with Support for New NVIDIA Tesla K80 Dual-GPU Accelerators 2Cirrascale® Expands Multi-GPU Peering Solutions with Support for New NVIDIA Tesla K80 Dual-GPU Accelerators 3PAWSitively Curing Cancer, Inc. Launched By Two Children for National Pet Cancer Awareness Month 2PAWSitively Curing Cancer, Inc. Launched By Two Children for National Pet Cancer Awareness Month 3
... of hazardous waste resulting from the nations nuclear weapons ... state called Hanford. Beneath this desert landscape about ... of tons of chemicals are captured within the stratified ... flow paths. These paths create uncertainties about where ...
... the National Nanotechnology Initiative has just been released by ... of the National Science and Technology Councils Committee on ... (NNCO). The 2007 NNI Strategic Plan describes ... ensure that the United States derives growing economic benefits ...
... Pharmos Corporation,(Nasdaq: PARS ) announced today that ... placement of its 10% Convertible Debentures due November ... principal amount of the,Debentures, at par, and received ... purchasers consisted of certain existing investors in the ...
Cached Biology Technology:Where does stored nuclear waste go? 2National Nanotechnology Initiative releases new strategic plan 2National Nanotechnology Initiative releases new strategic plan 3Pharmos Corporation Completes Initial Closing of Private Placement 2
Mouse monoclonal antibody raised against a full length recombinant YARS. NCBI Entrez Gene ID = YARS...
... DS-L2 imaging controller is a successor of ... allows users to comfortably observe, record and ... features an 8.4 inch LCD (XGA) monitor ... Nikon cameras including the DS-Fi1 , DS-5Mc ...
... NovaTaq DNA Polymerase is a premium ... polymerase. This thermostable enzyme is suitable for ... ensure the highest purity and reproducible performance, ... variety of quality control assays. NovaTaq DNA ...
Mouse polyclonal antibody raised against a partial recombinant TSEN2. NCBI Entrez Gene ID = 80746...
Biology Products: