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Topic: Animal extinction


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In the News (Thu 23 Nov 17)

  
  Extinction
Extinction strikes in both the land and the sea, though higher rates are generally cited among marine forms.
The Ordovician extinction was significantly the greater in terms of number of taxa killed, but did not disrupt global ecology to the extent of the end-Devonian extinction (Droser 2000).
However, other researchers observe that a mass extinction event is not necessary to explain the disappearance of the Ediacarans from the fossil record; conditions may simply have ceased to be favourable to their preservation with the arrival of more numerous and more diverse scavenging and bioturbating organisms.
www.peripatus.gen.nz /paleontology/extinction.html   (4722 words)

  
 Domestic Animal Extinction
Many farm animals are in danger of extinction
According to the BBC, certain types of chickens are in danger of extinction.
Domestic animals are becoming extinct at the rate of two breeds per week.
www.factmonster.com /spot/farmanimals1.html   (322 words)

  
 [No title]
Extinction is a natural occurance when a species is not strong enough to live in mass numbers anymore, usually because of it's changing surrounding environment.
Extinction is primarily a result of human interference, be it overkill or habitat destruction, and as it is we who are doing the destructing, it should be we who fight to repair the damage.
Animals that are becoming extinct due to human carelessness is something that should be stopped regardles of the animals closeness to extinction.
priweb.org /ed/ICTHOL/ICTHOL2002policyopinions/opinions_extinction.htm   (8496 words)

  
 Humans Linked to Animal Extinction
Wiped out were animals like mammoths, camels, mastodons, large ground sloths and the glyptodont, a strange armored creature the size of a small car and weighing more than 1,400 pounds.
It is clear that the downward spiral of these animals was after the arrival of humans," she said.
But she noted that the animals had withstood climate changes previously; so it is unlikely they all would have succumbed to natural forces.
www.arcl.ed.ac.uk /a1/stoppress/stop686.htm   (747 words)

  
 dLife Today: The Extinction of Animal Insulin?
Animal insulins are manufactured by extracting insulin from cow (bovine insulin) and pig (porcine insulin) pancreases.
There have been anecdotal reports of long-time animal insulin users reporting sensitivity to synthetically-derived insulins, including an increased incidence of hypoglycemic unawareness when switching from animal insulin to human insulins or insulin analogues.
Several foreign manufacturers of animal insulins remain, and the FDA and USDA do have animal insulin import procedures in place for those patients that can prove a clinical need to import animal insulin for their diabetes control.
www.dlife.com /blog/archives/2005/07/are_animal_insu.html   (735 words)

  
 Chapter 6: Resistance to Extinction
However, during extinction, one group of rats had to go back into the alley to be removed from the maze, whereas a second group had to jump over a hurdle from the goal box into a further portion of the maze to be removed.
It is possible for an animal to acquire a series of compatible responses that effectively maintain its performance because they include important components of the earlier response, or because they essentially constitute a minor modification or elaboration of the earlier response, or because they may be expressed simultaneously with the original response.
To remind you of what he found, animals tended to distribute their responses in proportion to the 'goodness' (measured by amount, density, or delay of reinforcement) of each: The response that led to the best outcome was made most often; the one that led to the second-best outcome occurred second-most often, and so on.
www.ucs.louisiana.edu /~cgc2646/LRN/Chap6.html   (16605 words)

  
 Welcome to DCH Animal Adoptions - Dog, Cat & Horse Rescue
DCH Animal Adoptions, which stands for dogs, cats & horses, is a non-profit animal rescue group committed to the rescue and rehoming of unwanted and neglected domestic animals — mainly dogs, cats and horses - but occasionally other animals such as rabbits and guinea pigs.
DCH Animal Adoptions is run entirely by a dedicated group of volunteers with a wide range of roles — if you would like to become involved, become a foster carer or to make a donation, we would love to hear from you.
On a day to day basis this can mean seeing animals in dreadful condition (they may have been abandoned, neglected or abused), dealing with the public in stressful situations, trying to nurse animals back to health and holding their paws when their time is deemed up.
home.iprimus.com.au /meganmm   (393 words)

  
 Scholastic's The Magic School - The Great Habitat Match-Up
Animals look to their habitats to provide food, shelter, and protection from predators.
Some animals have trouble adapting to the change and start to die off.
These animals are in danger of extinction, and are known as endangered species.
www.scholastic.com /magicschoolbus/games/habitat   (134 words)

  
 PM - People blamed as cause of large animal's extinction: research
A range of techniques have been used which shows these animals disappeared around 46,000 years' ago and with the last ice age 19,000 to 23,000 years' ago, the date is much too early for the climate to have been the culprit.
We know it's humans and not climate change because the extinction happened 20,000 years before the last ice age, which has often been thought to be a possible culprit.
One is through direct hunting of the mega fauna, and that could have led to a very, very quick extinction over a very short period of time, let's say a thousand years or so.
www.abc.net.au /pm/stories/s310418.htm   (599 words)

  
 (10/7/2000) Widespread African Animal Extinction Coming, Researchers Say
The extinction of Miss Waldron's red colobus is the first documented case of a primate extinction in the 20th century.
However, almost no study had been done of the animal after the initial discovery, said Thomas Struhsaker, a conservation biologist who is a research scientist in Duke's department of biological anthropology and anatomy.
"Confirming the presence of an animal is easier than proving its absence, and we cannot be absolutely certain that a few Miss Waldron's red colobus monkeys do not linger in one of the forests we surveyed, or in some other area," the scientists wrote.
www.monitor.net /monitor/0010a/colobusextinct.html   (1116 words)

  
 Mass Extinction Underway | Biodiversity Crisis | Global Species Loss
A majority of the nation's biologists are convinced that a "mass extinction" of plants and animals is underway that poses a major threat to humans in the next century, yet most Americans are only dimly aware of the problem, a poll says.
The rapid disappearance of species was ranked as one of the planet's gravest environmental worries, surpassing pollution, global warming and the thinning of the ozone layer, according to the survey of 400 scientists commissioned by New York's American Museum of Natural History.
Yemen's Wildlife on Brink of Extinction (Yemen Observer)
www.well.com /user/davidu/extinction.html   (2833 words)

  
 Endangered Animal Printouts - EnchantedLearning.com
Many animals, like the bald eagle and the American alligator, were on the brink of extinction and are now recovering.
Throughout time, animal species have been going extinct (long before people evolved); paleontologists estimate that well over 90 percent of all plant and animal species that ever existed have gone extinct.
In addition to printing the animals, you can copy a printout (click here for instructions) and paste it into a painting program (like Paint) and color the animal there.
www.enchantedlearning.com /coloring/endangered.shtml   (1093 words)

  
 BBC NEWS | Science/Nature | Science counts species on brink
The scale of the extinction threat facing animals and plants is made clear in the latest Red List from the IUCN-The World Conservation Union.
While the status of known vertebrates is relatively well documented (roughly 40% assessed), poor information exists on the animals and plants that inhabit freshwater and marine habitats, for example.
And science has only just begun to scratch the surface in understanding how many bacterial and fungal species may be out there.
news.bbc.co.uk /2/hi/science/nature/4013719.stm   (818 words)

  
 Biotech the Latest Defense in Animal-Extinction Fight   (Site not responding. Last check: 2007-11-01)
Summary Later this year, reproductive biologist Betsy Dresser will check some rather extraordinary luggage on a flight to Kenya: Two thermoses containing about 50 frozen bongo embryos, which will hopefully develop into healthy calves in order to repopulate bongo herds—endangered antelope that are rapidly disappearing from their African range.
As Earth's wild places vanish and the numbers of animals facing extinction rises, the fight to save dwindling wildlife is expanding on a new front: in the laboratory.
The first so-called "frozen zoo" was created in 1975 by Kurt Benirschke, a visionary physician who switched from his human practice to work with endangered species at the San Diego Zoo, studying gene pools and genetic diseases made prevalent by inbreeding.
news.nationalgeographic.com /news/2003/01/0116_030116_tvfrozenzoo.html   (707 words)

  
 7/7/2005 -- Researchers theorize on animal extinction
Before the extinction, grasses, trees and shrubs were commonly eaten - but then grasses disappeared from the animals' diet, the researchers reported in Friday's issue of the journal Science.
A sudden elimination of such animals in Australia might have allowed the growth of different plants, forcing a dietary change in the surviving animals.
Johnson noted that the disappearance of mammoths, ground sloths and other large mammals followed the arrival of humans in the Americas, but it is difficult to determine the role of people in that case because climate was also changing rapidly at the time.
forests.org /articles/reader.asp?linkid=43931   (586 words)

  
 Plant and Animal Extinction - Chapter 15 Notes - RWFM 2302
Extinction is irreversible and we do not know what opportunities were lost
Extinction is a natural process but can be accelerated on the order of millennia by human activity (intentional or unintentional)
Possibly extinction episode underway; 1990 extinction rate of 40-100 species/day; 5 to 10 million year recovery
www.rw.ttu.edu /2302_butler/chapter15.htm   (1347 words)

  
 Extinction ? or Temporary Extinction ??
The advances in Genetic Decoding and Manipulation are occuring so rapidly and dramatically, that we must seriously consider whether or not Extinction of an animal species, in certain cases, will prove to be not permanent, within perhaps only a decade or two.
Until a few thouand years ago, it was common on the Australian mainland, but in historical times it was only known from the island of Tasmania, where heavy hunting was responsible for its extinction.
My mention of an available environment for a "Post-Extinction Re-Birth" Animal, is something which is often not considered.
www.comcen.com.au /~oilyway/Extinction.htm   (735 words)

  
 How To Save A Duck - CBS News
For two decades, wildlife rescuers have used Dawn liquid to rescue oil-drenched animals.
The grease-cleaning detergent, they say, removes the oil yet is gentle to aquatic birds such as ducks, pelicans, gulls, and egrets.
The company is donating 10 cents for every Dawn bottle sold from now until the end of the year.
www.cbsnews.com /stories/2002/09/12/earlyshow/saturday/main521814.shtml   (385 words)

  
 Mister Poll: Animal Endangerment/Animal Extinction
It is asking various questions about what people think about animal endangerment and animal extinction.
8.Endangered is used to describe animals that survive only in very small numbers and may soon become extinct.
It is estimated that 17,000 to 50,000 animal and plant species become extinct each year.
www.misterpoll.com /1755800857.html   (163 words)

  
 Animals
animal - animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the...
Domestic Animal Extinction - Domestic animal breeds face extinction
Unusual Animals - A few of the unsung wonders of the animal world
www.factmonster.com /ipka/A0768508.html   (82 words)

  
 Animal Extinction - Reviews on RateItAll   (Site not responding. Last check: 2007-11-01)
However, it's very important to remember that most of the animals on the Endangered Spieces list are insects.
And living a life where everyone is on eggshells because of the possibility of cutting some ants life short is no life to live at all.
Animal extinctions have happened all throughout history, and mankind is powerless to prevent them.
www.rateitall.com /i-53866-animal-extinction.aspx   (366 words)

  
 Temperate Deciduous Forest Animal Printouts - EnchantedLearning.com
The dhole is a wild dog from Asia.
An earthworm is a little animal with a long, soft body and no legs.
The fox is a meat-eating mammal with a long, bushy tail.
www.enchantedlearning.com /biomes/tempdecid/tempdecid.shtml   (606 words)

  
 Countdown to Extinction - DinoLand - Animal Kingdom - Walt Disney World   (Site not responding. Last check: 2007-11-01)
Countdown to Extinction is the ride that has gotten a lot of attention at Animal Kingdom.
This is also called the Dino Institute and, while you are waiting in the foyer, it is even grander than the approach to the building.
If the Countdown to Extinction sign hadn't been so noticeable at the entrance, you might think you've come to the wrong place for a thrill ride.
www.pansophist.com /CTX.htm   (137 words)

  
 Laura Lee News - Humans Linked to Animal Extinction
Laura Lee News - Humans Linked to Animal Extinction
WASHINGTON (AP) - For more than a century, scientists have debated what killed off the big animals in Australia and the Americas.
The rapid demise during that time of 55 species - every land animal, reptile and bird in Australia weighing more than 220 pounds - is strong evidence for human involvement in the extinctions, said Ayliffe.
www.lauralee.com /news/humanimalextinct.htm   (756 words)

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