Sentences with phrase «legged vertebrates»

«We were able to show salamander - like regenerative capacities in both — fossil groups that develop their limbs like the majority of modern four - legged vertebrates as well in groups with the reversed pattern of limb development seen in modern salamanders,» said Dr. Jennifer Olori of State University of New York at Oswego, co-author on the study.

A team of paleontologists of the Museum für Naturkunde Berlin, the State University of New York at Oswego and Brown University shows in a new study of fossil amphibians that the extraordinary regenerative capacities of modern salamanders are likely an ancient feature of four - legged vertebrates that was subsequently lost in the course of evolution.

«Capacity to regenerate body parts may be the primitive state for all four - legged vertebrates.»

Amphibians are the oldest class of existing four - legged vertebrates, having been around for 300 million years.

Because skates are an evolutionarily ancient animal, that means the neurons essential for walking originated in species that separated from other four - legged vertebrates, or tetrapods, about 420 million years ago.

Not exact matches

Yet there is no trace of communication by learned symbolic languages among reptiles, of hair or feathers among amphibians, of the auditory apparatus of land vertebrates, or of legs or wings, among the fish.

By comparing the genomes of 203 vertebrates, they first traced the origin of KZFPs back to a common ancestor of tetrapods (four - legged animals) and coelacanth, a fish that evolved over 400 million years ago.

This is the rock band's second major contribution to science; as you'll recall, the band revolutionized vertebrate biomechanics in 1983 with their discovery that women possess legs and know how to use them.»)

Like modern arthropods, C. kunmingensis had a nerve cord — which is analogous to a spinal cord in vertebrates — running throughout its body, with each one of the bead - like ganglia controlling a single pair of walking legs.

The first group of prints — a 395 - million - year - old track created by a four - legged land vertebrate — made the cover of Nature last January.

In a study published in July, he and a team identified four legs on the 272 - vertebrate fossil, with hind legs nearly twice the size of the front legs.

The leading feature unifying terrestrial vertebrates (amphibia, reptiles, birds and mammals) is that they are four - legged and five - fingered.

Those prints were made by the earliest tetrapod (four - legged) land vertebrate ever found.

The early tetrapods (from the Ancient Greek word meaning «four - footed») were the first vertebrates to tread terra firma, developing lungs to capture atmospheric oxygen and turning fins into legs, but with a life cycle that was still closely tied to aquatic environments.

Scientists have long supposed that the first vertebrates to emerge from the sea 360 million years ago slithered onto shore like fish with legs.

In addition to the general characteristics of uniramians, these include a body composed of three tagmata, a head, thorax, and abodmen; a pair of relatively large compound eyes and usually three ocelli located on the head; a pair of antennae, also on the head; mouthparts consisting of a labrum, a pair of mandibles, a pair of maxillae, a labium, and a tonguelike hypopharynx; two pairs of wings, derived from outgrowths of the body wall (unlike any vertebrate wings); and three pairs of walking legs.