Sentences with phrase «terrestrial vertebrate»

Its dramatic increase led to warming, triggering a whole range of responses that killed an estimated 90 percent of marine biodiversity, and that warming killed a staggering 96 percent of marine biodiversity and for instance 70 percent of terrestrial vertebrate species.

As with most islands, the northern Channel Islands contain a depauperate terrestrial vertebrate fauna, and it is possible that predation pressures are much reduced here.

Global patterns of terrestrial vertebrate diversity and conservation, Proceedings of the National Academy of Science Early Edition, vol.

The studies» analysis of sedimentary layers deposited with early terrestrial vertebrate fossils established that portions of our distant ancestors» environment dried out seasonally, but year - round much of it was, yep, a swamp.

«And even that doesn't matter because you're ultimately forced to evolve into a terrestrial vertebrate with sentience, which is completely teleological.

The floral turnover may have affected terrestrial vertebrate communities as the loss of wetland habitat space and an increase in arid climate adapted plants may have dwindled the supply of palatable vegetation for herbivores.

Cavanilles Institute of Biodiversity and Evolutionary Biology, Terrestrial Vertebrates Group, University of Valencia, E-46980 Paterna, Valencia, Spain.

It is obviously not possible to study the hearing of the early terrestrial vertebrates, which became extinct long ago.

A team of Danish researchers from Aarhus University, Aarhus University Hospital and the University of Southern Denmark therefore studied the hearing of lungfish and salamanders, which have an ear structure that is comparable to that of different kinds of early terrestrial vertebrates.

The lungfish ear is a good model for the ears of the first terrestrial vertebrates.

The study therefore indicates that the early terrestrial vertebrates were also able to hear prior to developing the tympanic middle ear.

In humans and many other terrestrial vertebrates, the ear can be divided into three sections: the outer ear, the middle ear and the inner ear.

Five can now be seen as a secondary stabilisation rather than a canonical feature of terrestrial vertebrates.

«Based on the phylogenetic relationships and the presence of tetrachromacy in recent tetrapods it is most likely that the stem species - of all terrestrial vertebrates had photo receptors to detect blue, green, red and uv,» says Dr. Christian Fischer of the University of Göttingen.

Since 1500, more than 320 terrestrial vertebrates have become extinct.

The belief in five digits as an ancestral character has even extended to fossil reconstructions of Ichthyostega, one of the earliest terrestrial vertebrates from the Devonian (about 390 to 340 million years ago).

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

It seems far more likely that variation in early terrestrial vertebrates was honed down to five because this was an adequate number for scraping around on land.

Biogenic fluorescence is mainly known from marine organisms, but is rare in terrestrial vertebrates.

Evolutionary biologists have now addressed shape variety in terrestrial vertebrates» eggs, pinpointing morphological differences between the eggs of birds and those of their extinct relatives, the theropod dinosaurs.

Thanks to the high degree of abstraction of AnNa, researchers have been able to conduct several studies of both the human skeleton and of the rest of terrestrial vertebrates, especially as regards the development and evolution of the skull.

«This is the only example in terrestrial vertebrates where... animals act as if they are aware of when they are toxic and when they are not,» says Burghardt.

Kerstin Lindblad - Toh, professor in comparative genomics and director at SciLifeLab in Uppsala, has led the studies where an international consortium of researchers mapped the coelacanth genome and compared it with the DNA of terrestrial vertebrates.

Pat's general research interests include (1) the evolution of birds, (2) the relationship between osteological features and different soft - tissue systems (e.g., pulmonary, neurosensory), and (3) the biogeographic history of terrestrial vertebrates on Gondwanan landmasses during the latter half of the Mesozoic.

According to the study, retroviruses made the transition from the sea to land along with the evolution of terrestrial vertebrates.

And it could provide scientists with new insight into the evolution of their now very distant cousins — the group of bony fishes called Osteichthyes, which gave rise to all terrestrial vertebrates, including humans.

In their survey on wildlife losses, published in Science last year, Rudolfo Dirzo, a biologist at Stanford, and colleagues, reported that terrestrial vertebrates are showing a «25 per cent average decline in abundance» and that «invertebrate patterns are equally dire: 67 per cent of monitored populations show 45 per cent mean abundance decline.

Lohr, C.A., Human dimensions of introduced terrestrial vertebrates in the hawaiian islands, in Natural Resources and Environmental Management2012, University of Hawaii at Manoa.

According to Vaclav Smil, humans and their domestic animals now account for a breath - taking 97 per cent of the biomass of all terrestrial vertebrates.

... According to a review by Lovich and Ennen (2013), the construction and operation of wind farms have both potential and known impacts on terrestrial vertebrates, such as: (i) increase in direct mortality due to traffic collisions; (ii) destruction and modification of the habitat, including road development, habitat fragmentation and barriers to gene flow; (iii) noise effects, visual impacts, vibration and shadow flicker effects from turbines; (iv) electromagnetic field generation; (v) macro and microclimate change; (vi) predator attraction; and (vii) increase in fire risks.

Known as Brachycephalus, these frogs are some of the smallest terrestrial vertebrates on the planet — adults generally don't exceed 1 centimeter (0.4 inch).

Not exact matches

The Norian Chinle Formation in the Southwestern United States provides a snapshot into an ancient terrestrial ecosystem with its famous petrified tree trunks and various plant and vertebrate remains.

This suggests that brain sleep dates back at least to the evolution of the amniotes, that is, to the beginning of the colonization of terrestrial landmass by vertebrate animals.

C. lenticarpus «is the closest thing we have to a terrestrial ancestor» of ichthyosaurs, says Valentin Fischer, a vertebrate paleontologist at the University of Liège in Belgium, who wasn't connected to the research.

Around 390 million years ago, the first vertebrate animals moved from water onto land, necessitating changes in their musculoskeletal systems to permit a terrestrial life.

KNOXVILLE — Around 390 million years ago, the first vertebrate animals moved from water onto land, necessitating changes in their musculoskeletal systems to permit a terrestrial life.

Global associations between terrestrial producer and vertebrate consumer diversity.

The island fox feeds on an incredibly wide variety of insects, vertebrates, fruits, and terrestrial molluscs, with the proportions of the diet depending on where the fox lives and the time of year (2)(4).