Sentences with phrase «early fossil evidence»

An enduring puzzle about polypterids has been the lack of early fossil evidence.

Wolfgang Kiessling of Humboldt University in Berlin, Germany, and colleagues looked at the earliest fossil evidence of 6615 genera of sea - floor invertebrates to see where they first emerged (Science, DOI: 10.1126 / science.1182241).

Wolfgang Kiessling of Humboldt University in Berlin, Germany, and colleagues looked at the earliest fossil evidence of 6615 genera of sea - floor invertebrates to see where they...

And one of the major discoveries he made was near the bottom of the Grand Canyon, he found the earliest fossil evidence of life, Precambrian life, and this was a huge gap in Darwin's knowledge.

The earliest fossil evidence of animals dates from the Vendian Period (650 to 544 million years ago), with coelenterate - type animals that left traces of their soft bodies in shallow - water sediments.

Until now, the earliest fossil evidence for Homo sapiens outside Africa was from other sites in Israel, dating up to 130,000 years ago.

Not exact matches

The fossils could represent the earliest known examples of H. sapiens ever found (if confirmed by further research), and they serve as evidence that members of our species lived beyond sub-Saharan Africa.

Again and again, Wright asserts that there is no fossil evidence of intermediate forms between earlier primates and human beings; and, again and again, Dawkins attempts to disabuse her of this vacuous «mantra» (as he calls it) by pointing out that there certainly is such evidence and by directing her to it, but all to no avail.

Here's the majors, so plan accordingly for your place in this life or the next: 1) there is not a single fossil to evidence mankind's evolution from some so - called earlier form (see missing link) however we do however have mountains of DNA evidence showing we have common ancestors with primates — so you either believe in a Creator, or Aliens, or actual evolution or a mix of any of the three.

Tim White, a paleoanthropologist not connected to the project, says the findings were published too early, with too much left unknown — including the age of the fossils and whether concrete evidence for the intentional placement of the dead exists.

It remains too early to tell if this cutback in coal mining is a blip or evidence for the much - anticipated peak in the country's consumption of the most polluting fossil fuel.

The evidence we found at this site indicates that some hominin species was living in North America 115,000 years earlier than previously thought,» said Judy Gradwohl, president and CEO of the San Diego Natural History Museum, whose paleontology team discovered the fossils, managed the excavation, and incorporated the specimens into the Museum's research collection.

Interest in the Capitanian began in the early 1990s, when paleontologists found evidence for fossil extinctions in rock formations in China.

The fossils show the earliest evidence of two aspects of symbiosis, firstly in the specific choice of host and secondly in the ability to shift its choice of host and colonise a new one.

The structure of the bones also suggests the tiny dinos were flexing their legs in the egg to strengthen their muscles — the earliest evidence of embryonic bodybuilding in the fossil record.

The researchers found that some of the evidence for rising dino diversity in the Cretaceous period came from sampling bias; more fossils of different species are available from the period than from earlier periods — a factor that could be due to chance.

A perfectly preserved amber fossil from Myanmar has been found that provides evidence of the earliest grass specimen ever discovered — about 100 million years old — and even then it was topped by a fungus similar to ergot, which for eons has been intertwined with animals and humans.

There is some evidence that bats gained the ability to echolocate very early on, although fossils suggest at least one early bat species seems to have lacked the ability.

«Earliest evidence in fossil record for right - handedness: Teeth striations of Homo habilis fossil date back 1.8 million years.»

David Frayer, KU professor emeritus of anthropology, is lead author on a recent study published in the Journal of Evolution that found striations on teeth of a Homo habilis fossil 1.8 million years old moved from left to right, indicating the earliest evidence in the fossil record for right - handedness.

By examining striations on teeth of a Homo habilis fossil, a new discovery led by a University of Kansas researcher has found the earliest evidence for right - handedness in the fossil record dating back 1.8 million years.

It's a sample of one, but because this is the first potential evidence of a dominant handed pre-Neanderthal, Frayer said, the study could lead to a search for the marks in other early Homo fossils.

New fossil evidence suggests human ancestors may have split from chimps as early as 10 million years ago, bringing fossil evidence in line with data from molecular clocks

One reason for favouring this marine model is that fossil evidence of early land - based microbial life has been lacking.

The proof for this comes from fossil evidence, which shows that the neocortex expanded and reorganized over time in early hominins.

Geologist Tony Coates, a former director of scientific research programs at the Smithsonian Institution who fathered the original theory 30 years ago, says Jaramillo's team «has done some beautiful geology,» but has ignored earlier lines of evidence, such as the genetics of fossil organisms on either side of the isthmus.

The new fossil provides critical evidence for understanding the early rise of crabs.

Researchers of the Senckenberg Biodiversity and Climate Research Centre, the Goethe University in Frankfurt and the University of Toronto have now detected evidence of this oceanographic event and an earlier sudden sea - level rise in the fossils of tiny calcifying marine algae preserved in seafloor sediments in the Aegean Sea.

The fossils add to the growing evidence that, far from cowering in the dinosaurs» shadow, early mammals were highly successful, specialized animals in their own right.

After all, fossil evidence shows that early humans only began to use tools after their canines (which they may have used to fight one another) began to shrink.

Based on this new fossil evidence and analysis, the team suggests that the human branch of the tree (shared with chimpanzees) split away from gorillas about 10 million years ago — at least 2 million years earlier than previously claimed.

Other archeological and fossil evidence, Cooke says, suggests the earliest human populations in Jamaica were foragers who lived off of available local resources, together with some cultivation of native island and mainland plants.

The study adds to earlier evidence that mothers» exposures to polycyclic aromatic hydrocarbons (PAHs), which are emitted by the burning of fossil fuels and other organic materials, are linked to children's behavioral problems associated with Attention Deficit Hyperactivity Disorder (ADHD).

All previous fossil evidence for these earliest known four - limbed vertebrates has been found in river deltas and lakes.

Fossil evidence and reconstructions of past climatic conditions suggest that early flowering plants lived in warm tropical environments, explained co-author Jeremy Beaulieu, a postdoctoral fellow at the National Institute for Mathematical and Biological Synthesis (NIMBioS) at the University of Tennessee, Knoxville.

New fossil evidence suggests that humans adapted to living in tropical rainforests thousands of years earlier than previously thought, according to a recent study.

So, there's been quite a gap between when the first evidence of tick - host relationships appear in the fossil record, and the known earliest origin of ticks.

In addition to providing evidence about what early life was like on our own planet, the fossils had important implications for life elsewhere in the solar system.

Publication Mayr G, Wilde V. 2014 Eocene fossil is earliest evidence of flower - visiting by birds.

These organism and Cloudina are the oldest known evidence in the fossil record of the emergence of calcified skeletal formation in metazoans, a prominent feature in animals appearing later in the Early Cambrian.

Fossil evidence indicates that multiple early human ancestor species lived at the same time more than 3 million years ago, at least four identified hominin species that co-existed between 3.8 and 3.3 million years ago during the middle Pliocene.

Many fossils have been discovered, which is strong evidence of an earlier time when the Earth's continents were much different from today, many of them connecting and then disconnecting over eons.

Although the first whales evolved earlier, fossil evidence suggests that two large groups — the baleen and toothed whales — got their start during the Oligocene some 34 to 23 million year ago.

While fossil evidence shows that the voracious Rocky Mountain locust was rampant in what is now North America as early as the 12th century, it didn't reach its peak of collective destructiveness there until the 1870s.

The limestone caves, once a marshy wetland supporting a huge diversity of plant life and animals, have expelled an impressive quantity of ancient mammal remains and fossil evidence of an early human - like primate ancestor.

The Broken Hill skull is the first early human fossil found in Africa and provided the primary evidence to support Darwin's theory of evolution, proposing humans as the natural descendants of primates.

Is there any evidence that worldwide fossil fuel emissions would have been high enough at that early date to already be affecting sea level?

Evidence for evolution was readily observable at a wide range of spatial scales early on, specifically, fossil evidence at one end, and the products of animal breeders and other short - term selections at thEvidence for evolution was readily observable at a wide range of spatial scales early on, specifically, fossil evidence at one end, and the products of animal breeders and other short - term selections at thevidence at one end, and the products of animal breeders and other short - term selections at the other.

The first signs of a fossil - fuel bust emerged early last year with growing evidence that the decade - long boom in global coal demand was peaking.

Earlier this week, documents revealed by the Guardian and New York Times provide irefutable evidence that climate denier Willie Soon and the Harvard - Smithsonian Center for Astrophyics received more than $ 1 million in funding from fossil fuel companies to deliver scientific reports that called into question the scientific conclusion that climate change is the result of burning too much oil, coal and other carbon - emitting fuel sources.