Bu tür kelebeklerin artık soyu tükenmiş bulunmaktadır. - Butterflies of this species are now extinct.
Tüplü dalgıçlar suyun altında altın paralar, antik kalıntılar, soyu tükenmiş hayvanların kalıntıları dahil birçok ilginç şeyler buldu. - Scuba divers have found many interesting things under water including gold coins, ancient ruins, and fossils of extinct animals.
refers to a species that no longer exists Local extinction occurs when every member of a particular population has died Global extinction occurs when every member of a species has died The passenger pigeon and the dodo are examples of globally extinct birds
a plant or animal species may entirely cease to exist Recent examples are the dodo, a large flightless bird which used to live as recently as two hundred years ago, on the island of Mauritius There are today many species of birds, flowers, fish, insects, large mammals, including certain types of whale, which are threatened with extinction, most as a result of human activity Happily, the smallpox virus is about to become extinct
A species of animal or plant that is extinct no longer has any living members, either in the world or in a particular place. It is 250 years since the wolf became extinct in Britain
An extinct volcano is one that does not erupt or is not expected to erupt any more. Its tallest volcano, long extinct, is Olympus Mons
volcanos; permanently inactive; "an extinct volcano" of a fire; being out or having grown cold; "threw his extinct cigarette into the stream"; "the fire is out" no longer in existence; lost or especially having died out leaving no living representatives; "an extinct species of fish"; "an extinct royal family"; "extinct laws and customs
no longer in existence; lost or especially having died out leaving no living representatives; "an extinct species of fish"; "an extinct royal family"; "extinct laws and customs
species no longer in existence or not located in the wild during the past 50 years
of a fire; being out or having grown cold; "threw his extinct cigarette into the stream"; "the fire is out"
Extinction is a natural process that has occurred throughout the history of life on earth The significant difference in today's world is the rate of extinction Between 1600 - 1850 scientists documented only five animal extinctions - or one animal every 30 years Since 1850 the rate of global extinction has escalated to at least one animal every 2 15 years
means that an animal or plant no longer exists on earth Millions of animal and plant species have already died out and some scientists estimate that about six species a minute become extinct Extinction is a natural process that humans have unnaturally accelerated through our activities including cutting down the forests, building towns and cities and roads
the act of extinguishing; causing to stop burning; "the extinction of the lights" a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus complete annihilation; "they think a meteor cause the extinction of the dinosaurs" the reduction of the intensity of radiation as a consequence of absorption and radiation no longer in existence; "the extinction of a species" no longer active; extinguished; "the extinction of the volcano
If someone refers to the extinction of a way of life or type of activity, they mean that the way of life or activity stops existing. The loggers say their jobs are faced with extinction because of declining timber sales. Dying out or termination of a species. It occurs when a species can no longer reproduce at replacement levels. Most past extinctions are thought to have resulted from environmental changes that the doomed species was either unable to adapt to or that caused it to adapt so thoroughly that it became a distinctly new species. The effect of humans on the environment, through hunting, collecting, and habitat destruction, has become the principal factor in plant and animal extinctions
reduction in the intensity of the light (the number of photons) from a celestial body as the light passes through a dust cloud Dust clouds in space make stars behind the dust clouds appear dimmer than they would be if the dust was not there
The termination of any lineage of organisms, from subspecies to species and higher taxonomic categories from genera to phyla Extinction can be local, in which one or more populations of a species or other unit vanish but others survive elsewhere, or total (global), in which all the populations vanish When biologists speak of the extinction of a particular species without further qualification, they mean total extinction1
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus complete annihilation; "they think a meteor cause the extinction of the dinosaurs"
A process for weakening behavior to its preconditioning level In the respondent model, it consists of continuous presentation of the conditioned stimulus without the unconditioned stimulus In the operant model, it consists of withholding reinforcement after the response is emitted
[ ik-'sti[ng](k)t, 'ek-" ] (adjective.) 15th century. Recorded since 1432; Latin extinctus, the past participle of extinguere (“to put out, destroy, abolish, extinguish”), corresponding to ex- + stinguere (“to quench”)
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