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- Extinction risk from climate change - Wikipedia
A 2013 study estimated that 608–851 bird species (6–9%) are highly vulnerable to climate change while being on the IUCN Red List of threatened species, and 1,715–4,039 (17–41%) bird species are not currently threatened but could become threatened due to climate change in the future
- The Social Conquest Of Earth - Edward O. Wilson (2012). pdf
The ecosystems they dominate today are not only sustainable but dependent on them In sharp contrast, human beings of the single species Homo sapiens emerged in the last several hundred thousand years and spread around the world only during the last sixty thousand years There was not time for us to coevolve with the rest of the biosphere
- News - BirdLife International
The publication of AviList means that for the first time ever, we have a unified global checklist of the species of bird found on planet Earth Read article AviList unites the world’s bird species 10 June 2025
- 8. 7 Million: A New Estimate for All the Complex Species on . . .
Many researchers find the case for this latest estimate, outlined online 23 August in PLoS Biology, convincing, though not the final word “It's definitely an imaginative new method,” says Robert May of the University of Oxford in the United Kingdom, who wrote a commentary accompanying the study and has previously put forth his own predictions regarding the extent of the planet's biodiversity
- EAR 105 Exam 3 Flashcards - Quizlet
> He stated there are cyclical changes in earth's orbit and axial tilt > He offered ideas that explain the timing of ice-age events but not the severity of temperature change associated with ice ages > He stated that there are changes in the amount and distribution of insulation received on earth
- Rarest Animal In The World And Other 62 Species Near Extinction
The darker side of this is that once the population of any species drops to around or below 10,000 individuals, it is instantly labeled as rare or threatened After that, the species either diminish to the near-extinct classification or, due to conservation actions, grow larger in number and lose the feared label
- Over 13,000 elements from a single bonebed help elucidate . . .
Over twenty years of work on the Hanson Ranch (HR) Bonebed in the Lance Formation of eastern Wyoming has yielded over 13,000 individual elements primarily of the hadrosaurid dinosaur Edmontosaurus annectens The fossil bones are found normally-graded within a fine-grained (claystone to siltstone) bed that varies from one to two meters in thickness Almost all specimens exhibit exquisite
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