Posts Tagged ‘living fossils’

Pelican Fossil Poses Evolutionary Riddle; ,
Why, They Haven’t Evolved, Not Even a Little

Amusing?, Church of Darwin, s8int.com, Science, Uncategorized, Unexplained Artifact | Posted by Chris Parker
Jun 25 2010


Pelican fossil poses another evolutionary riddle;
Why, they haven’t evolved, not even a little!
Just like spiders and octopi, lamprey’s and bees
Why did this “evolutionary process” seemingly freeze?

The fossil record shows fig wasps and crocodiles unchanged
How could such an “inexorable process” become so deranged?
Neither ants, bats or cockroaches have changed an iota
Of “beneficial mutations” did Darwin fail to gets its quota?

Scientist’s were “surprised” to find mammal hair “unevolved”?
How will macroevolution’s evolving, non-evolving problem be solved?
Will these constant discoveries give the “tree of life” a jostle?
Or will Darwinist’s have to call everything alive “living fossils”?

The “extinct” coelacanth; the ancestor of land animals was crowned
But it’s another evolution riddle ‘cause its still swimming around!
The “trade secret” of evolution revealed by a Darwinist apostle
But they still go on “snipe hunts” for transitional fossils!

Pelican fossil poses evolutionary puzzle, by Jeff Hecht, June 2010
NewScientist

Pelicans that closely resembled those living today were scooping fish from the water while our ancestors were still swinging from the trees, a fossil discovery suggests.

The identification of an extremely well preserved 30-million-year old fossilised beak raises interesting questions over why evolution has left the birds so little changed over such a long period.

The nearly complete beak of the 30-million-year old fossil, found in the Luberon area of south-eastern France, resembles those of the seven modern pelican species so closely that it falls within the genus Pelecanus, says Antoine Louchart of the University of Lyon, France.

Pelican beaks are the longest of any living birds. Beneath the beak is a flexible pouch that allows the birds to capture their prey in the water, then spit out the water before swallowing their meal. Like other bird beaks, they are rarely preserved as fossils, so little had been known about their early evolution.

Family resemblance
Louchart recognised the fossil, discovered in the 1980s, while examining specimens in the collection of his co-author Nicolas Tourment. Protected by being buried in fine-grained limestone, it includes most beak bones, plus parts of the skull and neck, and strongly resembles the modern great white pelican, Pelecanus onocrotalus.

The lack of evolutionary change could suggest the beak has reached an evolutionary optimum for flight or for eating. Louchart is not convinced that either of these hypotheses offers a complete explanation; he thinks something else may be involved but does not know what that might be.

The find not only pushes back the origins of pelicans, but of related birds too. “The groups now thought to be closest to pelicans, the shoebill and hamerkop, must also have differentiated very early, says Louchart.

“The pelican bill has been a successful adaptation or trait, in that it has remained very similar over time,” says Rebecca Kimball of the University of Florida. Two years ago Kimball reported in Science (DOI: 10.1126/science.1157704) that pelicans were genetically close to near relatives, which she said would reflect their slow evolution.

The Song Remains the Same; Fossil X Remains Unchanged

Church of Darwin, Science, Uncategorized, Unexplained Artifact | Posted by Chris Parker
Jun 16 2010

Science had discovered that a certain type of wasp -the fig wasp-which was discovered in amber considered to be millions of years old, are virtually identical to those same wasps living today.

In yesterday’s Post, science was surprised that mammal hair had remained unchanged (unevolved) for “over 100 million years”.

In “Oh What a Tangled Web We Weave, When at First We Practice to Deceive”–science was surprised that “165 miilion year old spiders were unchanged (unevolved).

In March 2009, our post was about the discovery of a “95 million year old” octopi in which yes, science was surprised it hadn’t changed (evolved).

In “Scientists Find Lamprey A ‘Living Fossil’: 360 Million-year-old Fish Hasn’t Evolved Much”, –read that to mean that they hadn’t changed at all (evolved) and that yes, science was surprised.

“The Coelacanth allegedly dates back 400 million years. Other organisms unchanged after supposedly millions of years of evolution include:

Alligators and Crocodiles – The crocodile family is thought to have lived 230 million years ago and remains virtually unchanged since that time. Army Ants supposedly date back 100 million years to the time of the dinosaur.

The cockroach dates back 350 million years according to evolutionists. The Crinoid or Sea Lilly has been found in sedminents dating back 150 million years and yet the modern living variety is virtually identical.

The dragonfly dates back 230 million years, according to evolution and geology but is unchanged in almost every detail. The horseshoe crab – Believed to have lived 300 million years ago, but remain almost identical today. The nautilus – believed to have lived 500 million years ago, but remains almost completely unchanged”…New World Creation

A trend seems to be developing….s8intcom

Ancient Fossils Show Fig Wasps Remain Unchanged

Research found that the wasp fossils contained similarities to modern wasps A study of three ancient fossils found on the Isle of Wight in the 1920s has revealed that evolution has not altered the fig wasp in 34 million years.

The specimens, housed at London’s Natural History Museum, were previously thought to be of ants but a new examination confirmed their origins.

Dr Steve Compton, of the University of Leeds, said the fig wasp fossils were “fascinating” because of their age.

He also highlighted their similarity to the modern species.

‘Complex relationship’

Dr Compton, who led the study, explained: “This means that the complex relationship that exists today between the fig wasps and their host trees developed more than 34 million years ago and has remained unchanged since then.”

Fig wasps attach themselves to an individual tree and spread its pollen Fig wasps attach themselves to an individual tree and spread its pollen.

Each tree is exclusively pollinated by just one or two species of wasp.

Modern fig wasps carry the pollen they collect in special pockets beneath their bodies.

Dr Compton’s team was able to identify pollen pockets on the wasp fossils, and even grains of fig pollen within them.

Article Source-BBC News