Sentences with phrase «of animal skeletons»

As an international study conducted by the University of Zurich based on 3D reconstructions of animal skeletons reveals for the first time: Herbivorous mammals have bigger bellies than their usually slim carnivorous counterparts.

Not exact matches

The older textbooks on evolution make much of the idea of ho - m - ology, pointing out the obvious resemblances between the skeletons of the limbs of different animals.

This find gives us a lot of information about the animal because major parts of the skeleton were unearthed (assuming these are all from the same animal).

This procedure may be compared to that of reconstructing the shape of a prehistoric animal on the basis of the imprint of its skeleton.

In 1555 an early French zoologist, called Belon, showed from the comparison of the skeletons of a bird and a man that there was such a remarkable similarity, that man carried about in his own body the proof of his connection with the animals.

He was forever extolling the hunters and field - observers of living animals» habits, and keeping up a fire of invective against the «closet - naturalists,» as he called them, the collectors and classifiers, and handlers of skeletons and skins.

The scientists suspected that the lost enzyme might affect the animals» mesenchymal stem cells (MSCs)-- stem cells found in the bone marrow that are capable of developing into both the bone cells and fat cells that make up our skeletons.

Ancient baleen whales found in the same area «would have been perfect prey for such an animal,» says Lambert, who has returned to Peru in search of the rest of Livyatan's skeleton.

The rodents» immune systems fought off the parasites, but the animals» skeletons showed the effects of the infection.

Now that Sellers could calculate the load on a dinosaur's skeleton during motion, he could work out the maximum possible size of its muscles, beyond which the animal's bones would have been damaged.

Animals have incredible variation in their body shapes and ways of life, including the plant - like, immobile marine sponges that lack heads, eyes, limbs and complex organs, parasitic worms that live inside other organisms (e.g. nematodes, platyhelminths), and phyla with eyes, skeletons, limbs and complex organs that dominate the land in terms of species numbers (arthropods) and body size (chordates).

An international group of researchers described the animal in August in the journal Biological Sciences, after analyzing the partial skeletons of six individuals unearthed in Argentina in 2014.

Yehoshua Kolodny at the Hebrew University in Jerusalem doubts whether the isotopic make - up of the T. rex skeleton is the same as it was when the animal was alive.

After the animals die, layer upon layer of their skeletons create the exotic structures we call coral reefs, but according to scientists, they will begin to crumble as corrosive waters undo the work of countless generations of polyps.

The area is rich with animal skeletons, and they estimate there are at least 13 different species of dinosaur present based on teeth and other remains, plus birds, small mammals and some fish.

Scientists have long thought the ocean sunfish (Mola mola) was the largest of the bony fishes, a group of animals with skeletons made of bone instead of cartilage.

Calcium carbonate skeletons represent generations of tiny invertebrate animals, covered in a living layer of colorful coral polyps.

«We hope to find a more complete skeleton of Albertavenator in the future, as this would tell us so much more about this fascinating animal.»

The shape of the animal's head, shoulder, and skeleton bones is what gave away the animal's linkage to the phytosaurs, according to Michelle Stocker, lead author and assistant professor of geosciences in the College of Science.

Trilobites are a fossil group of extinct marine invertebrate animals with external skeletons (see photo).

«This work not only sheds new light on skeleton formation of animals, but also might inspire interdisciplinary studies in fields such as theoretical biology, bioengineering, robotics, and architectural engineering, utilizing mechanisms of self - constructing architectures that self - adjust to their environments, including remote environments such as the deep sea or space,» the researchers write.

Ocean acidification in particular, caused as the ocean absorbs carbon dioxide from the atmosphere, is a grave concern for stony corals, because it makes it harder for the animals to passively precipitate skeletons made of calcium carbonate, the same molecule found in antacids for heartburn and indigestion.

This was done by combining chemical analyses of human bones from over 80 individuals, whose skeletons are the oldest discovered in Scandinavia, with osteological analyses of animal bone material.

As the oceans absorb increasing amounts of carbon dioxide from the atmosphere, ocean acidification is expected to make life harder for many marine organisms, especially shellfish and other animals with shells or skeletons made of calcium carbonate.

Professor Rachel Wood, of the University of Edinburgh's School of GeoSciences, who led the study, said: «How animals produced shells and skeletons is one of the major events in the evolution of life.

But most ancient skeletons are highly fragmented, so it's difficult to figure out what kind of animal they were from, and what they were used for.

The animal was presumably light enough to fly — the best - preserved skeleton is just 77 centimetres from the nose to the tip of the long tail.

Over thousands of years, the calcium phosphate in an animal's skeleton combines with other minerals in the ground, forming fossils that can survive for hundreds of millions of years.

That same study linked milk proteins preserved in the calculus of other ancient human skeletons to specific animals — providing a peek into long - ago lifestyles.

A study published February 7 in Cell Reports suggests that pieces of hydras have structural memory that helps them shape their new body plan according to the pattern inherited by the animal's «skeleton.»

«Fossils are abound in Ordovician strata, but almost all of them are of creatures with hard shells or support structures, and so our understanding of booming Ordovician life is almost completely based on skeleton - bearing animals.

Roger lovingly describes radiolarians, some of which build skeletons of strontium sulfate while others manage to eat multicelled animals.

• The DOI reference in our article reporting the use of paper as a skeleton for growing animal tissue (24 October, p 10) should have read: 10.1073 / pnas.0910666106.

With a possible government shutdown only a few days away, the National Institutes of Health (NIH) appears to be ready to send in a skeleton staff to care for patients and maintain animals and experiments at the agency's Bethesda, Maryland, campus.

The first animals to have complex skeletons existed about 550 million years ago, fossils of a tiny marine creature unearthed in Namibia suggest.

The fossils are remarkably well preserved and reveal that the species possessed a rigid skeleton made of calcium carbonate — a hard material from which the shells of marine animals are made.

Instead of slowly adding material molecule by molecule, the coral animal actively constructs large chunks of minerals that it adds to its growing skeleton, helping it grow much faster than it otherwise could, and with greater control.

The acquisition of skeletons, the advent of predation and the rise of complex ecosystems all occurred in what's known as the Cambrian explosion of marine animals.

Inside the airy, attractive museum itself are plenty of the requisite skeleton constructions, but one of the cleverest exhibits illustrates how the animals met their awful fates.

Other animals from these ancient marine sediments include a number of exciting new discoveries: arthropods without skeletons, many sponges, a few shelled brachiopods and a single trilobite species.

Whatever the cause, this major evolutionary event led to a wide range of biological innovation, including the origin of modern ecosystems, a rapid increase in animal diversity, the origin of skeletons and the first appearance of specialist modes of life such as burrowing and swimming.

Explore a 3D model of the Museum's blue whale skeleton and learn more about how these animals behave.

This in turn makes it harder for a range of marine animals to survive, for example, crustaceans find it difficult to form their shells and skeletons.

And that poses a problem for all of the animals that rely on seawater's calcium carbonate to make shells or skeletons.

Their calcium skeletons represent generations of tiny invertebrate animals.

The presence of a complete skeleton with soft - tissue body contours and contents of the digestive tract brings us close to the paleobiology of the animal's life and death (the living individual is reconstructed in Fig.

The idea, here, is that an animal's skeleton will be most similar to that of its closest relatives, Schroeter explains.

Effects of whole body vibration on the skeleton and other organ systems in man and animal models: What we know and what we need to know.

It is important that skeletons are rarely found where large game animals have been slaughtered by the Indians of the North.

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