«And even that doesn't matter because you're ultimately forced to evolve into a terrestrial
vertebrate with sentience, which is completely teleological.
The latest in birthday science proposes that
the vertebrate with the longest life span yet measured is the mysterious Greenland shark.
Brookesia micra may represent the limit of miniaturization possible for
a vertebrate with complex eyes
Glaw, who has been going to Madagascar to research its ever - expanding list of amphibians and reptiles for a quarter century, said that B. micra may represent the limit of miniaturization possible for
a vertebrate with complex eyes, but said it's impossible to know for sure since each time scientists have proclaimed the discovery of the tiniest one yet, another, tinier species appears.
«We suggest that this relationship is found across
all vertebrates with bony skulls and indicates a deep developmental relationship between the brain and the skull roof,» Bhullar said.
This result is surprising because, until recently, scientists believed that TRH only occurred in
vertebrates with a thyroid gland, such as fish, birds, and mammals.
«Gills provided
vertebrates with specialist breathing organs in their head, rather than having to respire exclusively through skin all over the body.
Plesiosaurs possess an unusual body shape not seen in other marine
vertebrates with four large flippers, a stiff trunk, and a highly varying neck length.
Research activities are also concentrated on the identification of disease mechanisms in
vertebrates with the ultimate goal to identify molecular targets and cells with therapeutical potential.
Fishes are a practically ubiquitous group of
vertebrates with the potential to help formulate hypotheses that hold relevance for all other vertebrate groups.
The length of the loop is at least 8 nucleotides long; there is no apparent maximum in loop length, even in organisms possessing only a single Dicer gene, contra (6), even though most taxa like
vertebrates with single Dicer genes never show loop lengths greater than ~ 40 nucleotides.
Not exact matches
For the last 2 days, I have been having a conversation
with Vertebrate Catholic (exorcism blog).
Organisms
with a spine do not automatically become human, human isn't the goal of
vertebrate evolution.
@transframer —
With all due respect, you didn't really address the issues raised regarding: 1) actual # of extant
vertebrate species; 2) the fact that land inverts «breath air» and would have drowned if not accounted for on the ark; 3) that the dino genera identified in the wiki link far exceeds 50; 4) the need to account for extinct land
vertebrates in addition to those still around; 5) that many marine fish would have died as their habitat's salinity dropped; 6) that your % allotments for food / water don't reflect the fact that many forms require fresh meat and / or eat disproportionately to their sizes; 7) the specific dietary / environmental constraints involved in the migration to the Ark and the return trips from Mt. Ararat.
We are swimming, along
with every other
vertebrate, in the sea of the Animal Kingdom.
The progressive order of the fossil record, complete
with forms bridging the major distinguishing traits of modern
vertebrate classes, is a fact.
There is no need to recall Haeckel's blasphemy about a gaseous
vertebrate: suffice it to remind ourselves of the classical tradition of religious philosophy
with its insistence that God can not be defined except in negatives — apoios, without quality, the ontos on, the thelon, (See Philo.
Managing Common Vineyard
Vertebrate Pests
with Roger Baldwin, Wildlife Specialist for the Department of Wildlife, Fish and Conservation Biology; University of California, Davis
With goals at a premium, clubs spend the summer months searching far and wide for any warm - blooded vertebrate that can send the ball in the back of the net with some kind of regular
With goals at a premium, clubs spend the summer months searching far and wide for any warm - blooded
vertebrate that can send the ball in the back of the net
with some kind of regular
with some kind of regularity.
But a new study published in the Journal of
Vertebrate Paleontology supports the idea that there was an isolated desert in the middle of Pangea
with a fauna all its own.
Corwin Sullivan, a paleontologist at Beijing's Institute of
Vertebrate Paleontology and Paleoanthropology who helped interpret the remains, thinks Yutyrannus «would have been rather shaggy - looking, a killer fuzz ball
with deadly teeth and claws.»
With that new bounty, the researchers were able to catalog many more of the creature's features — enough to place it on the
vertebrate family tree.
What the ancient lizard did
with these organs isn't known, but some modern
vertebrates use the amplified photosensitivity they glean from the pineal glands to navigate.
But is it fair to equate historical constraints
with defects in describing how
vertebrate photoreceptors are on the back of the «inside - out» retina, shadowed by blood vessels and overlying cells?
And new research shows how genetic alterations in this odd - colored blood have helped the octopus colonize the world's wide oceans — from the deep, freezing Antarctic to the warm equatorial tropics.The iron - based protein (hemoglobin) that carries oxygen in the blood for us red - blooded
vertebrates becomes ineffective when faced
with low - oxygen levels.
Amphibians are the most threatened
vertebrates in the world,
with over 40 % at risk of extinction.
But when nature settles on the same solution to a difficult problem more than once, as it did
with vertebrates and cephalopods, it is worth paying attention.
With several colleagues at the Chinese Academy of Sciences» Institute of Vertebrate Paleontology and Paleoanthropology, we were able to establish that certain key raptor dinosaurs were fully plumaged, with feathers that were entirely modern in struct
With several colleagues at the Chinese Academy of Sciences» Institute of
Vertebrate Paleontology and Paleoanthropology, we were able to establish that certain key raptor dinosaurs were fully plumaged,
with feathers that were entirely modern in struct
with feathers that were entirely modern in structure.
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.»)
Mather and Anderson delved deeper, documenting a range of qualities and activities closely associated
with intelligence but previously known only in advanced
vertebrates.
Applying modern experimental technology to these organisms that, despite their simplicity, still share a large molecular similarity
with the nervous systems of
vertebrates, enabled identification of ancient and therefore fundamental principles of nervous system structure and function.
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.
With a few bones of his own,
vertebrate paleobiologist John A. Ruben of Oregon State University contends that dinosaurs are more akin to komodo dragons than cockatiels.
In
vertebrates, motor neurons (also called motoneurons) are efferent neurons that originate in the spinal cord and synapse
with muscle fibers to facilitate muscle contraction and
with muscle spindles to modify proprioceptive sensitivity.
When Tomer compared the worm's cells
with those in a
vertebrate cerebral cortex, he found they were too similar to be of independent origin.
The newly discovered viruses appeared in every family or genus of RNA virus associated
with vertebrate infection, including those containing human pathogens such as influenza virus.
But in March 2017, Ph.D. student Matthew Baron and
vertebrate paleontologist David Norman of the University of Cambridge, along
with paleobiologist Paul Barrett of the Natural History Museum in London, proposed upending that long - standing arrangement.
Since the sexual reproduction stage of malaria only occurs in insects, Poinar said in the new study that they must be considered the primary hosts of the disease, not the
vertebrate animals that they infect
with disease - causing protozoa.
Along
with two colleagues, Vladimir Belyi and Arnold Levine, both at the Institute for Advanced Study in Princeton, New Jersey, she decided to see whether the same was true in
vertebrates.
Before the consortium came together, he had participated in sequencing the genomes of two vocal learners, a songbird and a parrot, but he knew he couldn't do all of the additional sequencing and analysis work that would be required to identify genes related to vocal learning — not by himself, at least — so he teamed up
with Genome 10K, a project aiming to collect genomes for 10,000
vertebrate species.
Of the ray - finned fish, the so - called Neopterygii («new fins») became particular biodiverse during the Triassic and,
with over 30,000 species, today constitute the largest
vertebrate group.
All land
vertebrates carry a version of the FOXP2 gene, so some of the Oxford researchers then teamed up
with colleagues from the Max Planck Institute for Evolutionary Anthropology in Germany to analyze what is unique about the variant in humans and to track how the gene had evolved in our ancestors.
Chronically elevated stress hormone levels in
vertebrates interfere
with the immune system, inhibit reproduction, and cause other health problems.
«It may in fact be that regeneration is ancestral, but that newts have species - specific adaptations that allow it to have such spectacular regenerative capacities compared
with other
vertebrates.»
The Daohugou Biota makes an immense contribution to our understanding of
vertebrate evolution during this period,
with such notable creatures as the oldest known gliding mammal, another early mammal that may have swum
with a beaver - like tail, the oldest dinosaurs preserved
with feathers, and a pterosaur that represents an important transitional form between two major groups.
«Our limited understanding of the incredible jaws of these arachnids, together
with terminology that is unstandardized and even contradictory, has hindered our ability to classify them and figure out where they fit in the arachnid tree of life because, much like the cranial anatomy of
vertebrates, the jaws of solifuges contain most of the relevant information,» said Lorenzo Prendini, a curator in the Museum's Division of Invertebrate Zoology and an author on the paper.
Amphibian chytridiomycosis, caused by infection
with the Batrachochytrium dendrobatidis fungus, is the most devastating
vertebrate disease on record.
«Given the similarities in the molecules and the mechanisms involved in limb development in
vertebrates and invertebrates, the fly is a very useful genetic model in which to identify new genes that potentially participate in limb development in
vertebrates and their possible association
with congenital diseases,» says Ana Ferreira, who has participated in the study.
(Eukaryotes are all organisms
with cells that contain a nucleus, from microbes to plants to
vertebrates.
Brink: No, and I ended up working
with cockroaches only because as a school project in the state of Massachusetts, we have regulations on working
with vertebrates.