Sentences with phrase «lizard species»

Langham led tours until he was 38, using the gigs to fund a 20 - year trek through undergrad, a Ph.D. in ecology and evolutionary biology at Cornell, and a post-doc in Australia, where he first delved into climate modeling, investigating how shifts over millennia affected seven lizard species.

The often one - directional evolutionary adaptation of certain lizard species» reproductive modes could see multiple extinctions as the global temperature increases.

Science Daily: Climate change could see dozens of lizard species becoming extinct within the next 50 years, according to new research published today.

Most readily available arboreal lizard species will thrive in a standard glass reptile terrarium that has a suitable locking screen lid.

And naturally occurring dietary variety is not restricted to serpents; in a given day, any number of lizard species will likely dine on dozens of different invertebrate snacks, while tortoises will consume any edible plant that they wander across as part of their tedious but efficient grazing behavior.

However, experimental feeding of the suggested lizard species to cats does not lead to the disease.

Or the fourth - grade NatureMappers, from Waterville Elementary School, in rural Washington state, whose groundbreaking research with a University of Washington biologist has extended the documented geographic range of a lizard species.

If current trends continue, 20 percent of all lizard species could go extinct by 2080, according to Barry Sinervo, professor of ecology and evolutionary biology at the University of California, Santa Cruz.

On islands off the coast of Florida, scientists uncover swift adaptive changes among Carolina anole populations, whose habitats were disturbed by the introduction of another lizard species.

They also showed that even closely related lizard species have different escape behaviors depending on where they live, and that their evolutionary relationships were mostly irrelevant.

Like many present - day lizard species, such as skinks, that can detach their tails to escape or distract a predator, the middle of many tail vertebrae had cracks in them.

Lead researcher Dr Paul Oliver said about 85 per cent of more than 1,000 snake and lizard species in Australia descended from creatures that floated across waters from Asia to Australia.

Cuba, for example, would rapidly gain 1.65 lizard species if the United States lifted its trade embargo, the researchers predict.

When researchers studied the present - day distribution of anole lizard species across the Caribbean, they found that an island's geographic isolation no longer necessarily corresponded to fewer species.

Leopard geckos are one of a few lizard species that possess this self - amputation ability, known as autotomy.

The flip side is that economic isolation might protect native lizard species from newly imported competitors.

These all - lady lizard species (of the Aspidoscelis genus) from Mexico and the U.S. Southwest manage to produce well - bred offspring without the aid of male fertilization.

Constructing a family tree for three lizard species collected in Panama at the Smithsonian Tropical Research Institute (STRI) and a fourth from the southeastern U.S., scientists at Arizona State University compared lizard genomes — their entire DNA code — to those of other animals.

There are even lizard species that are all female.

The brown tree snake, for example, has been responsible for the extinction of dozens of bird and lizard species on Guam, yet only minimal cost data are known.

Birds, some insects and a few other lizard species also rely on this sex - determination system.

One of Australia's iconic lizard species is hiding a secret — female central bearded dragon embryos temporarily grow the lizard equivalent of a penis during development.

Over two separate four - week periods, the cameras snapped more than 9000 photos of the island's fauna, including the three introduced mammals, 15 different native bird species and five native lizard species.

Scientists working on islands in Florida have documented the rapid evolution of a native lizard species — in as little as 15 years — as a result of pressure from an invading lizard species, introduced from Cuba.

The research, «Non-trophic interactions in deserts: Facilitation, interference, and an endangered lizard species,» was published in the journal Basic and Applied Ecology.

Even under the most optimistic scenarios for curbing carbon dioxide emissions, the analysis by an international team shows that one - fifth of the globe's lizard populations, corresponding to 6 percent of all lizard species, may go extinct by 2050.

On Skyros, the wall lizards still attack youngsters — as many lizard species do — but this usually involves nibbling off a stray toe or tail.

Luke Mahler, a researcher at the University of California, Davis, who studies evolution patterns in Anolislizards, is also skeptical about how broadly the researchers» results could apply even among the nearly 400 other lizard species within the Anolis genus.

«I think it's a stretch to suggest more generally that tropical animal populations may be capable of rapid adaptation to anthropogenic warming,» said Mahler, who is also co-chairman of the Anoline Lizard Specialist Group, which studies which anole lizard species are at risk of extinction at the International Union for Conservation of Nature.

The study projected that as many as 20 percent of lizard species worldwide could go extinct by 2080, and local extinctions — the disappearance of a population in one particular geographic location — could reach as high as 40 percent.

Not exact matches

Chad has repeatedly betrayed: his non-comprehension of what a species - level change is (i.e. the focus of PE) and that this most minor of changes does not require a wholesale reordering of a genome; his inability to grasp that gradualism, although the clear minority in the fossil record, is present in various lineages (See Gould's various references to Foraminfera); his non-comprehension of the role of historic genetic contingency (i.e. that silent mutations can coalesce into rather dramatic novel functionality, e.g. Lenskis» E. coli); that the nodes of PE are more than sufficient for the requisite species - level evolutionary changes (See Pod Mrcaru lizards); etc, etc..

With all due respect, if you'd read the actual study, you would see that this was not a whole genome sequence comparison; rather it was a comparison of mitochondrial 12S rDNA and 16S rDNA sequences for the purposes of confirming the species relationship between the Pod Mrcaru lizards (P. sicula), the source population from Pod Kopiste (also P. sicula), and the original indigenous population on Pod Mrcaru (P. mellisellensis).

Other indications of evolution are too numerous to actually list in full, but a few might be the clear genetic distinction between Neanderthals and modern man; the overlapping features of hominid and pre-hominid fossil forms; the progressive order of the fossil record (that is, first fish, then amphibians, then reptiles, then mammals, then birds; contradicting the Genesis order and all flood models); the phylogenetic relationships between extant and extinct species (including distributions of parasitic genetic elements like Endogenous Retroviruses); the real time observations of speciation in the lab and in the wild; the real time observations of novel functionality in the lab and wild (both genetic, Lenski's E. coli, and organsimal, the Pod Mrcaru lizards); the observation of convergent evolution defeating arguments of common component creationism (new world v. old world vultures for instance); and... well... I guess you get the picture.

The Order Testudines includes both living and extinct species, the earliest turtles being known from the early Triassic Period, making turtles one of the oldest reptile groups, and a much more ancient group than the lizards and snakes.

They found the two lizards were «morphologically cryptic,» meaning they looked much like known species of monitor lizard, but their genetic variation indicated they were evolutionarily distinctive, qualifying them as unique species.

According to Brown, conservationists had overlooked the lizards because they were considered to be the same as another, widespread species.

This was their first clue that additional species diversity might exist, hidden within the northern Philippine water monitor lizard population.

The brown anole lizard in the Bahamas is raising questions about whether some cold - blooded species may be able to adapt to global warming.

«Undercover researchers expose new species of lizard for sale on Philippine black market.»

To date, Chan has described seven species of frogs and three species of lizards, all from Peninsular Malaysia, that are new to science.

Previous studies have determined that higher affluence is frequently associated with more biological diversity across species of plants, birds, bats, and lizards — a phenomenon coined the «luxury effect.»

To help clarifying this debate, researchers at the University of Helsinki compared skull shape and size, by including more than 300 species of lizards and snakes at both embryonic and adult stages.

«Squamates include all lizards and snakes found throughout the globe, including around 9,500 species on every continent except Antarctica, and found in most oceans,» said Dr. Pyron.

First of all, different species of these small lizards can interbreed.

«A phylogeny and taxonomy is fundamental for all fields of biology that use lizards and snakes, to understand how to classify the species being studied, to interpret biological patterns in terms of relatedness, and even at a more basic level, to count how many species are in an area, for example, for conservation management purposes.»

The researchers also found that lizards» resting site choices that heightened individual camouflage were more evident on islands with higher numbers of predatory bird species, suggesting that this behavioral defence is more likely to evolve in riskier environments.

If emissions continue at current levels, he predicts that by 2080, 39 percent of the world's lizard populations will have vanished, corresponding to a 20 percent loss in species.

In the past 20 years, Austin, a herpetologist at Louisiana State University's Museum of Natural Science, has discovered nearly a dozen new species of lizard on the tropical island.

The Gila monster is a species of lizard that was once thought to be one of only two species of venomous lizards.

The organization found that eBay sites in six countries were selling endangered wildlife products, including elephant ivory and hides, turtle shells, and skins from leopards, cheetahs, ocelots, lizards and crocodiles; two thirds of all endangered species products listed on eBay had U.S. sellers.