What does extinctions mean?

Definitions for extinctions
ex·tinc·tions

This dictionary definitions page includes all the possible meanings, example usage and translations of the word extinctions.

Wikipedia

  1. extinctions

    Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively. This difficulty leads to phenomena such as Lazarus taxa, where a species presumed extinct abruptly "reappears" (typically in the fossil record) after a period of apparent absence. More than 99% of all species that ever lived on Earth, amounting to over five billion species, are estimated to have died out. It is estimated that there are currently around 8.7 million species of eukaryote globally, and possibly many times more if microorganisms, like bacteria, are included.

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Numerology

  1. Chaldean Numerology

    The numerical value of extinctions in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of extinctions in Pythagorean Numerology is: 8

Examples of extinctions in a Sentence

  1. Ross MacPhee:

    Despite their ungainly appearance, different species of glyptodonts occupied habitats as distinct as open grassland and dense woodland, all the way from Patagonia to the southern parts of the continental United States, although their disappearance has been blamed on human depredation as well as climate change, some species persisted into the early part of the modern or Holocene epoch, long after the disappearance of mammoths and saber-toothed cats. Like the loss of giant ground sloths, mastodons, and dozens of other remarkable mammalian species, the precise cause of the New World megafaunal extinctions remains uncertain.

  2. Jan Zalasiewicz:

    Global warming as a phenomenon is just beginning, species extinctions and other changes are far more advanced.

  3. John Scanlon:

    In some parts of the African continent we are confronting potential local extinctions, in particular in central and western Africa.

  4. Margaret Hunter:

    We’ve seen that these pythons can remove 90 percent or greater of the mammals throughout the Everglades, so, we’re quite concerned about the populations of these animals in South Florida potentially leading to local extinctions of these populations.

  5. Peter Crockford:

    Over the 100 to 200 million years before this die-off event there was a large amount of life on the planet, but after this event a huge portion died off, however, instead of recovering like more recent mass extinctions, the amount of life on the planet or size of the biosphere stayed small for the following billion years of Earths historyabout two billion to one billion years ago.

Popularity rank by frequency of use

extinctions#10000#67707#100000

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"extinctions." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/extinctions>.

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