Sentences with phrase «in animal extinctions»

Not exact matches

There are no chestnuts on Chestnut Lane, no elms on Elm Street, no caribou in Caribou, Maine, and no buffalo in Buffalo, N.Y. Multiple states have had to change their official tree, animal or flower because of extinctions.

Since god was not a big fan of unclean animals, i guess that was a sacrifice that resulted in an extinction.

I am Gay, my God therefore is also gay, we will put into extinction on earth all females.we are scientist expert in cloning, we will propagate only our own specie, thereby cleansing the earth of the animals called cow like smelly animals by the late Rock Hudson

Geological upheavals, the extinction of species, the struggle for survival and the emergence of thought in animals were all revolutions.

Second, animal protectionists know full well that in the modern United States, Canada, and Western Europe, regulated trapping is not a factor in wildlife extinction.

Many of the world's natural habitats, plant species and animal species are in decline or at risk of extinction.

Although I am only 17 years old and do not remember when our game was really plentiful, the stories I have heard and read about slaughter in our own past have made me aware of the tragedy of animal extinction.

Even before AZA included the 2 - foot - tall penguins that bray like a donkey in its SAFE (Saving Animals From Extinction) program, which is supported by Shedd Aquarium and 231 other AZA - member organizations, we were working side by side with South African conservationists to keep these birds afloat.

Now, on the 10th annual Endangered Species Day, Shedd, Lincoln Park Zoo, Brookfield Zoo and the 226 other accredited members of the Association of Zoos and Aquariums (AZA) are harnessing their collective knowledge and resources in a new initiative, AZA SAFE: Saving Animals From Extinction.

Likewise, some animal species such as the endemic African Monkey (Guenon species), one of the world's most beautiful monkeys found mostly in the West African rain forest region (the Niger Delta Region inclusive), are at the risk of extinction.

This week in Nature Communications, an interdisciplinary team of scientists proposes a more nuanced model for extinction that also shows why animal species tend to evolve toward larger body sizes.

«How fear alone can cause animal extinction: Even the smell of a predator can have disastrous effects in populations of small size.»

Five times in the earth's history a mass extinction has almost entirely extinguished all animal life.

By looking at fruit flies, rather than social animals, the researchers believe that they have gained a greater understanding of the role that fear may play in the decline and extinctions of various populations.

The Florida panther, namesake of an ice hockey team in Miami, was designated the state's official animal in 1982, and is clawing its way back from near extinction.

Over 30,000 species of animals and plants are considered to be potentially at risk of extinction, many of them due to the illegal trade in wildlife.

In the time line of mammalian extinctions, large animals started to disappear only after humans or their hominid cousins showed up.

«The extreme selectivity of the modern extinction threat with respect to body size is best explained by the size bias in human hunting and fishing activities, which often preferentially target the largest animals in the oceans, or the largest animals within their respective taxonomic groupings,» said Payne.

A team of scientists now think they know: A miles - wide comet, they announced in May, seems to have exploded just north of the Great Lakes, triggering a 1,000 - year cold spell that helped bring on the extinction of the Clovis and the animals.

The extinction of the large animals took place in virtually all climate zones and affected cold - adapted species such as woolly mammoths, temperate species such as forest elephants and giant deer, and tropical species such as giant cape buffalo and some giant sloths.

The researchers looked at past associations between the threat of extinction and the ecological traits like species habitat zone, and examined the same associations in modern marine animals.

In a widely cited paper in 2004, Thomas and colleagues estimated that 15 to 37 per cent of terrestrial plant and animal species will be «committed to extinction» by 2050 (Nature, vol 427, p 145In a widely cited paper in 2004, Thomas and colleagues estimated that 15 to 37 per cent of terrestrial plant and animal species will be «committed to extinction» by 2050 (Nature, vol 427, p 145in 2004, Thomas and colleagues estimated that 15 to 37 per cent of terrestrial plant and animal species will be «committed to extinction» by 2050 (Nature, vol 427, p 145).

There is a lot of indication that suspiciously points a finger to us; us being Homo sapiens, because their extinction seems to coincide with the arrival of human beings on land mass after landmass, and then after a while back, there is this question from it: «Well, if human beings wiped out all the animals on this landmass and, why do we still have big animals in Africa?»

In North America, the Ice Age was marked by the mass extinction of several dozen genera of large mammals, including mammoths, mastodons, American horses, Western camels, two types of deer, ancient bison, giant beaver, giant bears, sabre - toothed cats, giant bears, American cheetahs, and many other animals, as well as plants.

«So in this vacuum left by the mass extinction event, a bunch of different animals are going into these vacated niches and taking over those jobs.»

The animals, which feed in the lush kelp beds offshore, were hunted almost to extinction by fur traders in the 19th century.

The extinction that ended the Devonian Era 359 million years ago created opportunities quickly exploited by a formerly rare and unremarkable group of fish that went on to become — in terms of the sheer number of species — the most successful vertebrates (backboned animals) on the planet today: the ray - finned fish.

In just a few centuries, the people of Easter Island wiped out their forest, drove their plants and animals to extinction, and saw their complex society spiral into chaos and cannibalism.

«We know that past acidification events played a role in mass extinctions, when lots of animals and plants disappeared from the ocean,» Gattuso says.

Like many animal species, thousands of languages are in danger of extinction.

These relatively speedy shifts may have driven local animals to extinction, says Brody Sandel, who studies ecoinformatics at Aarhus University in Denmark.

Ward's latest findings are a case in point: Though his 2000 report on South African plant fossils showed signs of an abrupt extermination at the P - T boundary, his new analysis of animal fossils suggests that a gradual extinction preceded that ultimate burst of fatalities.

«We determined there were enough animals that there was a low to very low risk of extinction, and in fact, most developments suggest an increasing population,» Dewar said.

The findings come after UEA research revealed that up to half of all plant and animal species in the world's most naturally rich areas could face local extinction by the turn of the century due to climate change if carbon emissions continue to rise unchecked.

New research, publishing on December 8th in the open - access journal PLOS Biology, shows that local extinctions have already occurred in 47 % of the 976 plant and animal species studied.

Using the most comprehensive conservation data available for both marine and non-marine organisms, research led by Dr Thomas Webb, from the University's Department of Animal and Plant Sciences, has shown that 20 to 25 per cent of the well - known species living in our seas are now threatened with extinction — the same figure as land living plants and animals.

Local extinctions have already occurred in 47 % of the 976 plant and animal species studied, report researchers.

Extinctions related to climate change have already happened in hundreds of plant and animal species around the world.

In a new review of scientific literature and analysis of data published in Science, an international team of scientists cautions that the loss and decline of animals is contributing to what appears to be the early days of the planet's sixth mass biological extinction evenIn a new review of scientific literature and analysis of data published in Science, an international team of scientists cautions that the loss and decline of animals is contributing to what appears to be the early days of the planet's sixth mass biological extinction evenin Science, an international team of scientists cautions that the loss and decline of animals is contributing to what appears to be the early days of the planet's sixth mass biological extinction event.

«Climate change is already causing widespread local extinction in plant and animal species.»

For the current study, Jessica Childs, a graduate student in Kroener's lab, applied VNS to a test group of rats used in the study in a process called «extinction learning» to determine whether the procedure could help the animals learn different behaviors and reduce their drug cravings.

The new study, by Professor John J. Wiens from the University of Arizona, used these range - shift studies to show that local extinctions have already happened in the warmest parts of the ranges of more than 450 plant and animal species.

The date of the impact, estimated at slightly less than 66 million years ago, converges with the hypothesis that worldwide climate disruption in this period caused a mass extinction event in which 75 % of plant and animal species on Earth suddenly became extinct, including all non-avian dinosaurs.

Fisher, who studies the extinction of mastodons and mammoths, suggests some answers could lie in nitrogen isotopes in the Patagonian bones, which can record changes in an animal's diet and, thus, its environment.

It was expected that a key feature in extinction would have been body size: the large animals would suffer heat and starvation stress first.

Up to half of plant and animal species in the world's most naturally rich areas, such as the Amazon and the Galapagos, could face local extinction by the turn of the century due to climate change if carbon emissions continue to rise unchecked.

But as today's large animal populations become more in danger of extinction, the environment too is at risk.

Then they applied a set of mathematical models to estimate the movement of nutrients vertically in the oceans and across the land — and how this movement changed with extinctions and declining animal populations.

Modern conservation efforts tend to center around large animals — such as tigers, elephants, and wolves — and top predators in peril, while Roopnarine and Angielczyk show that small amniotes (reptiles and ancient mammal relatives) were most vulnerable during the early phase of this long - ago period of extinction.

However, massive declines and extinctions of many of these animals has deeply damaged this planetary nutrient recycling system, a team of scientists reported October 26 in the Proceedings of the National Academy of Sciences.