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In a landmark paper published in 1982, Jack Sepkoski and David M. Raup identified five particular geological intervals with excessive diversity loss. [2] They were originally identified as outliers on a general trend of decreasing extinction rates during the Phanerozoic, [3] but as more stringent statistical tests have been applied to the accumulating data, it has been established that in the ...
The year 1982 in science and technology involved many significant events ... McCormmach uses the novel to present a historiographic point meant to reinforce ...
1982: FARM's Veal Ban campaign publicizes the conditions of veal calves. In protest of veal calves' treatment, FARM's Hershaft spends 24 hours outside of the White House in a veal crate. [7] 1983: The first World Day for Laboratory Animals is held on April 24. The first World Day for Farmed Animals is held on October 2, the birthday of Mahatma ...
Image credits: an1malpulse #5. Animal campaigners are calling for a ban on the public sale of fireworks after a baby red panda was thought to have died from stress related to the noise.
Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia (/ ˌ æ n ɪ ˈ m eɪ l i ə / [4]).With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development.
This is a list of notable events relating to the environment in 1982. They relate to environmental law , conservation , environmentalism and environmental issues . Events
No longer regarded as a major extinction but rather a series of lesser events due to bolide impacts, eruptions of flood basalts, climate change and disruptions to oceanic systems [16] Pliensbachian-Toarcian extinction (Toarcian turnover) 186-178 Ma: Formation of the Karoo-Ferrar Igneous Provinces [17] Triassic: Triassic–Jurassic extinction ...
The 1982–1983 El Niño event was one of the strongest El Niño events since records were kept. It led to droughts in Indonesia and Australia , widespread flooding across the southern United States , lack of snow in the northern United States, and an anomalously warm winter across much of the mid-latitude regions of North America and Eurasia ...