11. sınıf course book sayfa 27de reading passage 4 var çevirisi lazım şimdiden teşekkürler !! zoologists recognise three types of great ape or primate,-orangutang,gorillas and chimpanzees.Of these,the bright brown orangs are the least understood.The live only in the jungles of indonesia and they are the only true tree dwellers among the large primates.Because their standard method of moving from place to place is to swing from branch to branch,their arms are extremely long and strong ,but their legs are shorter and weaker than those of other apes.In captivity orangs are shy,even lazy and inactive,they like to spend periods of time sitting alone,hunched up and slient Gorillas are the largest of all the primates alive today.Wild males in the mountains and lowlands of Equatiorial Africa frequently exceed 500 pounds in weight;on the rare occasions that they stand erect they are about 5 feet tall.Gorillas,with their strong muscular bodies and black fur,and in the case of older males,their handsome silvery-grey backs,are awesome to look at close to.However,in captivity they tend to be phlegmatic,introverted creatures,who only attack the unwary, and displaying other signs of aggressionthat have given them their fearsome reputation. Chimpanzees,on the other hand, are a lively lot,almost as idiosyncratic as human beings.In the wild they show intense curiosity about their enviroment.They make tools from twigs to obtain food,poke into interesting gaps in tree trunks,communicate with each other through a full repertoire of calls,postures and gestures,and greet one another with kisses and cuddles.Older chimps often show off shamelessly to younger ones,who promptly mimic their elders.In some zoos the chimpanzees cause so much excitement when they see new people that their keepers wear ear muffs to lessen the noise - and develop fast reactions to avoid the various objects that the creatures sometimes throw at them. The world faces the prospect that some of the great apes could become extinct,at least in their native habitats,before scientist have time to learn the full extent of their capacities.Hungry tribesmen,animaldealers, and the effects of slash-and-burn agriculture seriously threaten their survival in the world. In many African countries attempts have been made to protect them and in a number of Western countries zoologist are working hard to breed captive primates.In spite of these efforts the survival of the great apes is still in danger.