RIO DE JANEIRO, Brazil: Scientists working in Brazil's central Amazon region have discovered two new monkey species the size of small cats. ……

. Now they think they’ve found a new member of the human family tree.Scientists discovered a species... have just met a new species of a human relative that disposed of its dead on purpose,” Berger said ……

human family tree人类谱系 The remains of a new, ancient human *species have been discovered in a cave... years ago and could be one of the first branches in the human family tree, according to a research ……

in a Siberian cave probably belonged to someone from a previously unknown human species living near... they have found a human species distinct from modern humans or Neanderthals,” says gene expert Edward ……

or water to some new place. But others travel with human help.Lacking the natural enemies of their own... for the human race. Here are some of the examples.Exotic species in ChinaChina, along with US ……

or water to some new place. But others travel with human help.Lacking the natural enemies of their own... for the human race. Here are some of the examples.Exotic species in ChinaChina, along with US ……

or water to some new place. But others travel with human help.Lacking the natural enemies of their own... for the human race. Here are some of the examples.Exotic species in ChinaChina, along with US ……

, there are various bird species unique to the region. But the team also discovered that the new species... America, there are various bird species unique to the region. But the team also discovered that the new ……

,000 billion bring cells that comprise a human being.Their work opened a new window into what goes... of the growth cycle.Working along similar lines in London, Nurse discovered a key gene in his yeast species ……

human-like skeleton got the academic world excited. This new species hunted elephants and giant rats... skeletons of the one species were discovered next to each other. That destroys the argument that it could ……

: human-like monkeyThis month, a new species of monkey has been identified (确定) in the Democratic... and wide to find new species. Most species exist in the “lost lands” of deep ocean, tropical (热带 ……

NEW DELHI - Some 300 Asian bird species face extinction because deforestation and wetland clearing....In 1981, the number of bird species facing extinction was 51, the group said.The report shows ……

比海). Hedges named it Leptotyphlops carlae, or L carlae.A new species?To verify (核实) that L carlae is a new...."Finding a special new species that is known only from a small island like Barbados is a thrill ……

species" refers to non-indigenous species that may damage the environment or human health. They can be moved by humans or natural channels.In the new location, they may eliminate other species ……

Choose the answer:1. What is the new research about according to the passage?A. Why elephants can live as long as human beings.B. Why elephants do not develop cancer.C. How elephants get along ……