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The Cretaceous–Paleogene (K–Pg) extinction event, [a] also known as the K–T extinction, [b] was the mass extinction of three-quarters of the plant and animal species on Earth [2] [3] approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.
Decarceration in the United States involves government policies and community campaigns aimed at reducing the number of people held in custody or custodial supervision. Decarceration, the opposite of incarceration , also entails reducing the rate of imprisonment at the federal, state and municipal level. [ 1 ]
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
Historically, there have been cases where the extermination of animal species has been politically endorsed because the animals have been considered harmful. In some cases the animals have been hunted because the animals present a danger to human lives, at other times they have been hunted because they are harmful to human interests such as livestock farming.
The extinctions during the Late Pleistocene are differentiated from previous extinctions by its extreme size bias towards large animals (with small animals being largely unaffected), and widespread absence of ecological succession to replace these extinct megafaunal species, [3] and the regime shift of previously established faunal ...
This is a complete list of endangered mammalian species and subspecies evaluated by the IUCN. Species and subspecies which have endangered subpopulations (or stocks) are indicated. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.
Marcio has dedicated 25 years of his life to feeding stray animals and supporting impoverished families. This man is also known in Brazil as Protector Marcio, who embodies compassion and resilience.
The following list is incomplete by necessity, since the majority of extinctions are thought to be undocumented, and for many others there isn't a definitive, widely accepted last, or most recent record. According to the species-area theory, the present rate of extinction may be up to 140,000 species per year. [1]