Scientists Just Discovered a 1. 75 Billion-Year-Old Secret . . . The earliest undisputed microfossil evidence of cyanobacteria is an organism called Eoentophysalis belcherensis, dated to up to 2 018 billion years ago But fossils are often difficult to interpret, and their internal structures don't always survive intact And not all cyanobacteria species have thylakoids
Media Release: Nature’s Dangerous Decline ‘Unprecedented . . . The Report finds that around 1 million animal and plant species are now threatened with extinction, many within decades, more than ever before in human history The average abundance of native species in most major land-based habitats has fallen by at least 20%, mostly since 1900
[FREE] In 2010, scientists excavated a skull fossil that . . . In 2010, scientists found a skull fossil that belonged to a newly identified species of big cat, leading them to investigate the evolutionary history of these animals To form their hypothesis that big cats diverged from smaller wild cats about 6 million years ago, scientists would most likely rely on two critical resources: the fossil record
Scientists finally confirm there was life on Earth 3. 5 . . . As humans, it’s difficult to take the long view of history because we’re the new kids on the block, having only been around 3 million years or so Although you may feel old by the time you
Marine biodiversity discovery: the metrics of new species . . . 1 Introduction Since Erwin’s seminal paper on the number of arthropod species in tropical forests (Erwin, 1982), scientists have speculated on the magnitude of biodiversity of the planet, with projections ranging from 8 7 ± 1 3 (Mora et al , 2011) to 390 million (Larsen et al , 2017) eukaryotic species
Mammoth | PPT - SlideShare The woolly mammoth lived from around 2 million years ago until around 10,000 years ago, during the last ice age They inhabited Asia, Europe, and North America and ranged in size from 9 ft to over 15 ft tall Mammoths had long tusks used for mating rituals, protection, and digging in snow for food The longest tusks were over 17 feet long