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  • A 485-million-year history of Earth’s surface temperature
    Judd et al present a record of GMST over the past 485 million years that they constructed by combining proxy data with climate modeling (see the Perspective by Mills) They found that GMST varied over a range from 11° to 36°C, with an “apparent” climate sensitivity of ∼8°C, about two to three times what it is today —Jesse Smith
  • Endangered Species International
    Threatened Species Rediscovered Species Why Save Endangered Species? Total number of extinct species: 905 (was 784 in 2006) Of the 44,838 species assessed worldwide using the IUCN Red List criteria, 905 are extinct and 16,928 are listed as threatened to be extinct Millions of species still need to be assessed to know their status
  • Yale researchers create map of undiscovered life
    According to conservative scientific estimates, only some 10 to 20 percent of species on earth have been formally described In an effort to help find some of these missing species, Moura and Jetz compiled exhaustive data that included the location, geographical range, historical discovery dates, and other environmental and biological
  • Largest prehistoric animals - Wikipedia
    Crocuta eturno was another large Crocuta species with estimates suggesting this species could’ve weighed 85 kg (187 lb) [224] The extinct giant fossa (Cryptoprocta spelea) had a body mass in range from 17 kg (37 lb) [225] to 20 kg (44 lb), [226] much larger than the modern fossa weighs (up to 8 6 kg (19 lb) for adult males [227])
  • Diversification of flowering plants in space and time - Nature
    The rapid diversification and high species richness of flowering plants is regarded as ‘Darwin’s second abominable mystery’ For species distributions recorded as range maps, we manually
  • Biodiversity Module 1 Flashcards - Quizlet
    The IUCN considers a species to be extinct when it is known only to survive in captivity, or in a natural population well outside its natural and original range true The total number of species on the planet is an estimated calculation offered by scientists
  • What Explains Patterns of Diversification and Richness among . . .
    Most arthropods are insects, and the actual number of living insect species is generally agreed to be much higher than the number of described species (~1 million; Roskov et al 2016) However, the magnitude of undescribed diversity has been relatively uncertain, with some estimates ranging as high as ~30 million species (e g Erwin 1982)





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