Extinct species, facts and information

The truth is that scientists do not know how many species of plants, animals, fungi and bacteria exist on earth. the most recent estimate puts that figure at 2 billion, and that will most likely change at some point.

one thing we do know: the western black rhino, the tasmanian tiger, and the woolly mammoth are among the creatures whose populations have at one point dropped to zero, and species extinction may be occurring a thousand times faster due to humans.

extinction occurs when environmental factors or evolutionary problems cause a species to become extinct. the disappearance of species from land is ongoing and rates have varied over time. A quarter of mammals are in danger of extinction, according to estimates from the IUCN Red List.

To some extent, extinction is natural. Changes in habitats and poor reproductive trends are among the factors that can cause a species’ death rate to exceed its birth rate long enough that eventually there are none left.

Humans also drive other species to extinction through hunting, over-harvesting, introducing invasive species into the wild, pollution, and changing wetlands and forests into farmland and urban areas. even rapid human population growth is driving extinction by ruining natural habitats.

Among the most famous species driven to extinction by humans is the dodo, a bird that lived primarily on the island nation of Mauritius and was made popular by its appearance in Lewis Carroll’s book “Alice’s Adventures in the Wild”. Wonderland”. Dodos were first mentioned by Dutch sailors in the late 16th century and last seen in 1662 after being hunted to extinction. Homing pigeons, billions of which frequently covered North American skies when Europeans arrived on the continent, went extinct when the last one died at the Cincinnati Zoo in 1914.

six mass extinctions

Fossils show that there have been five previous periods of history in which an unusually high number of extinctions occurred in what are known as mass extinctions. most species on earth became extinct approximately 266 million to 252 million years ago in the Permian extinction.

However, those losses also paved the way for the evolution of dinosaurs, as mass extinctions create the potential for new species to emerge. the dinosaurs met their end about 65 million years ago in another mass extinction at the end of the Cretaceous period. A large crater off Mexico’s Yucatan Peninsula suggests that an asteroid most likely struck there. Scientists believe that volcanic eruptions in India caused global warming which may also have contributed to the mass extinction.

Scientists debate whether the earth is now in the midst of a sixth mass extinction. if so, it may be the fastest ever with a rate of 1,000 to 10,000 times the baseline extinction rate of one to five species per year. humans are largely responsible for the surprising trend. Scientists believe that pollution, land clearing and overfishing could cause the extinction of half of the planet’s existing land and marine species by the year 2100.

Slowly rising surface temperatures caused by elevated greenhouse gas levels are likely to cause many species to move toward the earth’s poles and up mountains to stay in habitats with the same climates. But not all species will be able to adapt quickly enough to avoid extinction, and many are expected to perish.

what can we do about it?

Using fewer fossil fuels by lowering the thermostat, driving less often, and recycling is a good way to reduce the rate of extinctions. eating less meat and avoiding products, such as ivory, that are made from endangered species can also make a difference. At home, securing trash in closed bins, reducing water use, and refraining from using herbicides and pesticides can help protect local wildlife.

Content Creator Zaid Butt joined Silsala-e-Azeemia in 2004 as student of spirituality. Mr. Zahid Butt is an IT professional, his expertise include “Web/Graphic Designer, GUI, Visualizer and Web Developer” PH: +92-3217244554

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