搜搜考试网2010年之前,世界上已经灭绝的动物有哪些?详细点……是怎么样灭绝的?
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2010年之前,世界上已经灭绝的动物有哪些?详细点……是怎么样灭绝的?
1.草原陆龟 爪陆龟是生活在内陆草原地区的龟类.背甲长12～16厘米,宽10～14厘米.头部与四肢均具黄色；头小,顶部有对称的大鳞；喙缘锯齿状.盾片中央棕黑色,边缘黄色,并有同心环纹.四肢均有四爪,指、趾间无蹼.前臂与胫部有坚硬大鳞,股后有一丛锥形大鳞.属于国家一级保护动物 2.大鲵 大鲵是现存有尾目中最大的一种,最长可超过1米.头部扁平、钝圆,口大,眼不发达,无眼睑.身体前部扁平,至尾部逐渐转为侧扁.体两侧有明显的肤褶,四肢短扁,指、趾前五后四,具微蹼.尾圆形,尾上下有鳍状物.体表光滑,布满粘液.身体背面为黑色和棕红色相杂,腹面颜色浅淡.属于国家二级保护动物 3.蜂猴 蜂猴体型较小而行动迟缓,是较低等的猴类,体长32-35厘米.两只小耳朵隐藏于毛茸茸的圆脑袋中；眼圆而大.四肢短粗而等长,第二个脚趾还保留着钩爪,尾短而隐于毛丛中.体背棕灰色或橙黄色,正中有一棕褐色脊纹自顶部延伸至尾基部,腹面棕色,眼、耳均有黑褐色环斑.在我国还有大熊猫、金丝猴、白鳍豚、中华鲟等.
1.Grassland is living in quite a claw tortoises inland areas of grassland turtles.Back a long 12-16 cm wide,10-14 cm.The head and limbs is yellow,Small head,top have symmetrical Chinook,Beak jagged edge.On the edge of black,brown,yellow,and rings.There are four limbs,and between toes without web.Forearm with narrow out-curled Chinook have hard after a clump of conical large scale.Belongs to the national level 2 protected animals are existing strain strain is the biggest one in the eye,the longest can exceed 1 meter.Head flat,obtuse,big mouth,eyes,no eyelid.The body to the tail,the flat to CeBian gradually.On both sides of the body has obvious skin plait,short limbs,refers to the top five,four,micro webbed after.There is a round,tail tail fin.Surface smooth,be full of mucus.The body back for black and palm red phase noise,shallow color ventrally.Belong to national protected animal 3 bee bee monkey monkey smaller and slow-moving,is lower,the length of the monkeys - 35 cm.Two small ears hidden in the round head; furry The eye.Short limbs,the second toe tubes and still retains claws,in short tail wool bosk.Body back palm gray or orange,a brown ridges extending from the top end base,brown eyes,ears,ventrally.There are dark brown ring In China,the giant panda,golden BaiQiTun,Chinese sturgeon,etc.
1.Grassland is living in quite a claw tortoises inland areas of grassland turtles.Back a long 12-16 cm wide,10-14 cm.The head and limbs is yellow,Small head,top have symmetrical Chinook,Beak jagged edge.On the edge of black,brown,yellow,and rings.There are four limbs,and between toes without web.Forearm with narrow out-curled Chinook have hard after a clump of conical large scale.Belongs to the national level 2 protected animals are existing strain strain is the biggest one in the eye,the longest can exceed 1 meter.Head flat,obtuse,big mouth,eyes,no eyelid.The body to the tail,the flat to CeBian gradually.On both sides of the body has obvious skin plait,short limbs,refers to the top five,four,micro webbed after.There is a round,tail tail fin.Surface smooth,be full of mucus.The body back for black and palm red phase noise,shallow color ventrally.Belong to national protected animal 3 bee bee monkey monkey smaller and slow-moving,is lower,the length of the monkeys - 35 cm.Two small ears hidden in the round head; furry The eye.Short limbs,the second toe tubes and still retains claws,in short tail wool bosk.Body back palm gray or orange,a brown ridges extending from the top end base,brown eyes,ears,ventrally.There are dark brown ring In China,the giant panda,golden BaiQiTun,Chinese sturgeon,etc.