Sentences with phrase «as animal fossils»

Carbon dating is a technique scientists used to determine the age of ancient organic materials, such as animal fossils.

Not exact matches

As a matter of fact, I would like to thank Sister Catherine for rolling her eyes to the ceiling when we asked in 4th grade about how god made all the animals in one day and there were dinosaurs that were millions of years old while we studied fossils.
Fossil discoveries in China, «hailed as among the most spectacular in this century,» turned up seventy species from the Cambrian period with «the appearance of increasingly complex marine animals in a riot of shapes and anatomical designs anticipating much of life as it is today.»
As a Christian, I absolutely believe God began the human race in the Garden of Eden... as a discerning intelligent human being, I can not deny the facts found in carbon dating studies of ancient fossil remains... if God can creat man, he can also allow for investigation and confirmation of planet plant and animal life, the upheaval of mountains, and history of the seAs a Christian, I absolutely believe God began the human race in the Garden of Eden... as a discerning intelligent human being, I can not deny the facts found in carbon dating studies of ancient fossil remains... if God can creat man, he can also allow for investigation and confirmation of planet plant and animal life, the upheaval of mountains, and history of the seas a discerning intelligent human being, I can not deny the facts found in carbon dating studies of ancient fossil remains... if God can creat man, he can also allow for investigation and confirmation of planet plant and animal life, the upheaval of mountains, and history of the sea.
Unless, of course, there was a major disaster that rapidly buried all sorts of plant and animal life under extreme pressure, in which case science would allow for fossil fuels to develop in such a circu.mstance (as evidenced in the Mt. St Helens eruption)... but said disaster never occured in the bible, did it?
But the fossil record shows that the major animal forms appeared without visible predecessors — an event known as the Cambrian Explosion.
To Buckland, they also offered strange deposits he identified as fossil droppings (coprolites) of extinct giant saurians; his pioneering work opened up an entirely new field of study — identifying animal's diets — and speaks to his eccentricity.
Creationist «well, what about the origin of the universe, the fact that the universe obeys laws, the origins of life on this earth, the fact that the largest «gaps» in the fossil record correspond exactly with the organisms identified in the bible as being created by God, namely fish, birds, land animals and humans»
Your scientific assertions, «why is it that the fossil record shows every animal / fish / bird as suddenly appearing (no links between any 2 anything)?
You likely already know that eating meat - free even one day a week will help reduce our carbon footprint, save resources such as fossil fuels and fresh water and help prevent animal cruelty, but where to start?
environmental issues directly associated with animal agriculture (such as air pollution and contaminated drainage from factory farming into water supplies) and to help lessen our over consumption of resources including land, water, and fossil fuels
To start, the trio butchered a sheep carcass with sharp stone flakes and found that the cutmarks indeed resembled those found on two different Australopithecine fossil arm bones — one dating to 4.2 million years ago and the other to 3.4 million years ago — as well as 2.5 - million - year - old animal bones discovered near the known stone tools in the Olduvai Gorge.
Most studies have concluded that sea animals with calcified shells or skeletons, such as starfish, will suffer as carbon dioxide from burning fossil fuels dissolves in the sea, making the water more acidic and destroying the calcium carbonate on which the creatures depend.
The first undisputed fossils of animals appear only 580 million years ago, but genetic evidence indicates that basic animal groups originated as far back as 700 million to 800 million years ago.
They charted how fluctuating oxygen concentrations correlated with the emergence of new animals as seen in the fossil record and from genetic data.
Despite being an iconic image — a fossil with a striped body, large tail, a pair of stalks terminating in dark, oval - shaped «blobs» and a large elephant trunk - like proboscis at the head end which has a pincer - like claw filled with teeth — it is a complete mystery as to what kind of extinct animal it was.
Horner and his experienced colleagues — a structural geologist; a stratigrapher; a taphonomist (one who studies what happens to animals after they die); paleontologists specializing in vertebrate, mammalian, plant, and mollusk fossils; a molecular paleontologist; and an expert on paleomagnetism — are surveying all the fauna and flora that existed during the Hell Creek period (and that survived as fossils), the ways they interacted, and how they may have evolved.
And so the microbial world was delegated to an invisible world in the 18th century — as natural philosophers turned to questions about the evolution of plants and animals, and the geologic structures that contained fossil remains of extinct organisms.
As he reconstructed the branch of the diplodocid tree that included Apatosaurus and erstwhile Brontosaurus fossils, Tschopp saw numerous differences between the two emerge in features on the animals» necks, shoulder blades, ankles and tailbones.
As such, they were able to use fossil records to assess the baseline extinction risk for marine animals, including sharks, whales and dolphins, as well as small sedentary organisms such as snails, clams and coralAs such, they were able to use fossil records to assess the baseline extinction risk for marine animals, including sharks, whales and dolphins, as well as small sedentary organisms such as snails, clams and coralas well as small sedentary organisms such as snails, clams and coralas small sedentary organisms such as snails, clams and coralas snails, clams and corals.
By studying the anatomy and thin sections (also known as histology), Lyson and his colleagues have shown that the modern tortoise breathing apparatus was already in place in the earliest fossil tortoise, an animal known as Eunotosaurus africanus.
James Witts said: «Most fossils are formed in marine environments, where it is easy for sediment to accumulate rapidly and bury parts of animals, such as bones, or bodies of creatures with a hard shell.
«So much of our study of the fossil record is about filling in the gaps in our knowledge of how animals came to look as they do or live where they are, and Diandongosuchus does that for phytosaurs.
Ankylosaur fossils in North America are found in river channel deposits, and in the Late Cretaceous Period these animals would have been living along a coastline of what is known as the Western Interior Seaway.
The authors said the study underlines the increasing vulnerability of calcified animals to ocean acidification, which occurs as the ocean absorbs more atmospheric carbon emitted through the burning of fossil fuels.
Such fossils usually just include the animals» hard shells, not preserved soft body parts such as inner organs or sperm.
As the researchers sifted through the soil, the magnitude of the find slowly became clear: The canyon revealed a trove of thousands of animal and plant fossils that were more than 1.4 million years old.
His idea sounds simple enough: Look hard at the bones of modern animals to study the tiny marks that soft tissues make on bones, and see if such subtle marks can be found on dinosaur fossils as well.
Finds such as the newly discovered Birgeria species and the fossils of other vertebrates now show that so - called apex predators (animals at the very top of the food chain) already lived early after the mass extinction.
The fossil record shows that lots of animals weathered the impact, including most mammals and birds, as well as lizards and amphibians.
Because the difference is so subtle, the scientists speculate that many fossils previously characterized as O. prolifica may actually belong to O. tricuspida, suggesting that one of the most widespread and ecologically important animals of the Cambrian era may be more diverse than previously thought.
Not only did the researchers find the fossils among the remains of undeniably aquatic animals — such as fish, sea lions, dolphins, and whales — but also this sloth had the bones of a swimmer.
Scientists have identified a fossil just a millimeter long as the earliest known sponge, helping resolve debates about when the sponge lineage diverged from that of more familiar animals.
Lead author, Dr. Stephan Lautenschlager of Bristol's School of Earth Sciences said: «With modern computer technology, such as CT scanning and digital visualisation, we now have powerful tools at our disposal, with which we can get a step closer to restore fossil animals to their life - like condition.»
Paleontologists often find fossils in a jumble containing many species» remains, and then struggle with the question of whether the mixed bones represent the community as it existed when the animals lived.
All major groups of animals — an entire kingdom of multicellular life that today includes insects, worms, shellfish, starfish, sea anemones, coral, jellyfish, and vertebrates like us — bloomed suddenly in the fossil record during an evolutionary extravaganza known as the Cambrian explosion, which occurred 530 million years ago.
The team, which included other geochemists, palaeoecologists and geologists from UCL and the universities of Edinburgh, Leeds and Cambridge, as well as the Geological Survey of Namibia, analysed the chemical elemental composition of rock samples from the ancient seafloor in the Nama Group - a group of extremely well - preserved rocks in Namibia that are abundant with fossils of early Cloudina, Namacalathus and Namapoikia animals.
Based on the fossils of extinct animal species, he had postulated as early as 1794 that all life had originated from small, microscopic mollusks.
All these animal forms, many of which had not been seen in the fossil record before, soft - bodied forms that tell us that all sorts of animal diversity existed as early as the Cambrian, more than 500 million years ago.
Most major animal groups appear for the first time in the fossil record some 545 million years ago on the geological time scale in a relatively short period of time known as the Cambrian explosion.
Results: With the increasing emphasis on sustainable energy sources, biofuels derived from animal or plant lipids — oils and fats — have been proposed as a promising substitute for fossil fuels.
Some uncertainty exists as to what groups of animals these fossils might represent, and, in fact, if they were ancestral to the multicellular organisms that appeared later in the Cambrian.
As a vertebrate paleontologist, he studies the fossils of animals with backbones.
Today, photosynthesis is considered «the most important chemical reaction on earth», providing food for humans and animals, releasing oxygen for them to breathe — and millions of years later, this process provides fossil fuel in the form of oil, coal and natural gas, as Michel likes to point out.
2 By studying the record of Earth's history contained in sedimentary rocks from the time just prior to the rise of animals, between 1200 and 650 million years ago, reading these rocks for clues about changing environmental conditions by chemical analysis, and systematically scouring them for traces of life — from fossils as well as chemical signatures;
The ability to find and study the remains of animals, plants and other organisms that lived millions of years ago is extraordinary, and as technology has improved over the past few decades, scientists have realized that fossils contain more information about the stories of extinct life forms than even Charles Darwin could have imagined.
Without ever using the term, the paper does describe the fossil as a missing link — a fossil that has traits from two different types of animals and may form an evolutionary link between them, of which there are many.
There is a vast diversity of additional groups of fossil vertebrates, including: (1) crocodilians and their extinct pseudosuchian kin; (2) marine reptiles such as plesiosaurs, ichthyosaurs, placodonts, and the like; (3) lepidosaurs (snakes, lizards, mosasaurs, tuataras, and their extinct relatives); (4) other fossil reptiles; (5) the extinct synapsid ancestors and relatives of mammals; and (6) amphibian - grade animals such as lepospondyls, temnospondyls, and seymouriamorphs (Benton 2014).
Except for the Ediacaran biota, most animal phyla (some that persist and some that did not) appear in the fossil record rapidy and essentially simultaneously at the base of the Cambrian period, some 570 million years ago, an event known as the Cambrian Explosion.
When given, distinguishing characteristics, such as the presence of fins and scales in aquatic animals, can be readily seen directly in fossils.
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