pieces of stoneware and animal fossils of 98 mammal (哺乳动物) species and 62 bird species, according... for F1 hopefuls.21STDigging deeper for early manCHINA is going to dig again at the Peking Man Site ……

mammals.A Chinese research team found that 164 million years ago the mammal had a tail like a beaver... between 500 and 770 grams, about the size of a small female platypus. It is the largest known early ……

-old Ethiopian fossils from the dawn of humanity that strongly support the theory that humans came... have long suggested an African origin for the human species, but the fossils to support such an idea ……

The blue whale is the world’s largest mammal (哺乳动物). Its tongue is as heavy as a female (雌性) elephant. ……

because so few fossils of early primates have been found."Our calculations indicate that we have...," said Martin.The scientists believe earlier fossils have not been found because early primates were ……

A FOSSILIZED mammal discovered in China is possibly the great-grandmother of modern placental (有胎... years, has been identified as the world's earliest-known eutherian (真哺乳亚纲的) mammal fossil. ……

of mammal. Active volcanoes showered the territory with ash, and lava flows blocked rivers to form lakes... Alamos national laboratory, who helped date the fossils.The region has been a gold mine for researchers ……

霍比特人祖先A paper in the journal Science offers new information about the early hominid species Homo floresiensis, which was discovered in Indonesia more than a decade ago. Fossils estimated to be 700 ……

. But with the few fossils that had been collected, they could only assume lagerpetids were a bit closer...动物), such as dinosaurs, turtles, mammal (哺乳动物) relatives and amphibians (两栖动物), first appeared.? They hope ……

and polish the eggs in the early stages of work. Conditions were later improved after more advanced tools... in the early stages of work. Conditions were later improved after more advanced tools such as geological ……

University, US, studied the fossils (化石) of ancient birds. These fossils are like recorded tapes... their wings and feathers were quite different from those of birds today. Looking closely at the fossils ……

the origin of viruses?A. They evolved from the fossils of large organisms.B. They evolved from... the fossils of large organisms.B. They evolved from parasites into independent organisms.C ……

got the numberD. how scientists got the number3. Why are there only a few dinosaur fossils?3. Why are there only a few dinosaur fossils?A. Because it’s hard for bones to become fossils.A. Because ……

fossils were found in a former cave. Their bones were preserved (保存) by hardened sediment (沉积... or early 30s and the other was a male aged 8 or 9. The skeletons have traits (特征) from both apes ……

A TEAM of university students in Peru have found the fossils (化石) of a big penguin that lived more... such powerful swimmers developed early, but that their black and white color took longer to develop. ……