原始时代的动物
![7种现代动物与史前祖先的大对比](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9F3B47707240A5A594C4EE59311EB23BF6F66A6CD30BB3A17501CA0BA2D6F9873E2A17C7375C47E9EB45C996DCC65C94E12BCE250572F67607AE8384E0B40857F8490B6D31A68D64C287F10347775ACEB)
7种现代动物与史前祖先的大对比
图片尺寸641x423![7种极为凶悍的原始动物第5种仍旧存在个体极少](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A734D0F6A9C628F6CAD7C267925F691277F3353B7368439D47F755D791237386C13F2D66A47CC2F504E47ED5DC271CE1C82B4EC2F4709009AD5A6184B20AB4010C887E17350E6A43295505FCB9D9A9B61FF)
7种极为凶悍的原始动物第5种仍旧存在个体极少
图片尺寸640x425![7种极为凶悍的原始动物第5种仍旧存在个体极少](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E94050250D68A9203DDDBED1CBF834A881341F226F276B87D9D0CCBC3F4FC1F235A87A8BC3BFBBA371205B623808FE15CBABAEFF46FFA5A8041F5A64E15F88158480F8A4C093974B929E9BCFF3F7E3F0C3)
7种极为凶悍的原始动物第5种仍旧存在个体极少
图片尺寸930x591![恐龙出现中生代,是新生代之前的原始时期,有教育家讲儿童早期比作生物](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A738014053325459AB0656C168E796E8B2FAF5FD4E9AC3858552B1C07C8B0700CB11ADAD910AFEFF7999850FCF8F3F85262A44A3E4E71D12860D4DF5A2BEACD9A1DFC0D84A43529D2302271716E00C2EAC2)
恐龙出现中生代,是新生代之前的原始时期,有教育家讲儿童早期比作生物
图片尺寸640x415![远古时代的巨型动物10米帝鳄主食是史前鱼类狮子的祖先](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7369EB56F9AE4A370D2C131CA834A47DFC763B3CC9E7D589970B866692E0E5C1D3A1898B17F430B346769011A1F47D70051A329883116D96D20CA8D8E57A4517373FD993248C9FFA66EAD852E8FFE4109A)
远古时代的巨型动物10米帝鳄主食是史前鱼类狮子的祖先
图片尺寸640x426![熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73FB5261548241301CB25AA12DED64C9A4768D7084BCAF2AC694BFA118102B4989BC94222097C05F5272FF91D0321DA111FB6D8443F74C6BA2F5501E71E7B1A0FD79F77209AE57634FBD566C55E6800FE9)
熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝
图片尺寸640x353![哺乳动物,其体重高达20吨,在千多万年前就生存在亚洲地区的原始森林中](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73E791D9C8C4792FF01979B65E1410BCA99870BBB6D25DC6C1B7ABF20C75C4FDBE1EC32471C643B2762A8C29C0CAB8DA322F060E4EAC3F660F482D4AF110816396591A42F0F6C8990F626FA7E6AB906B25)
哺乳动物,其体重高达20吨,在千多万年前就生存在亚洲地区的原始森林中
图片尺寸478x334![你可以骑着蝴蝶飞_动物](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E90FC4F35B602C29ED3BD03AD48AA2DE09BD4AAC38127A872E0625FF89217FBD2182941E6160A593FB58B83767384673DDAD978966EFC8D9FB1699B2A4D621948AF0F0A56E4C9B4A2E1567F7F4F74F1B19)
你可以骑着蝴蝶飞_动物
图片尺寸1024x672![熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9FD0BD540EEC2E4824A653A2C479CDF8A195A3E085BF6D2A77261D1C3595CC09D597E45052B2667CFC438FE193B4918CD93BAC7112F3514B9833A285E4E2C89EE624870971386D83A41341CDCF04CF730)
熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝
图片尺寸1061x617![是两亿多年前与恐龙同时代的最古老爬行动物,也是迄今生存着的最原始](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E838A2702EFCB4FC6EE50D9CD96848DCA78824491FD3B23B6DF99F5FD92A6873B645B5701BDB4D5BFB16C2BAEA52AC4457A42539712F2C490287FC8D0DC7A1AE89C388F450D2863B890A7865A7752A0CE59)
是两亿多年前与恐龙同时代的最古老爬行动物,也是迄今生存着的最原始
图片尺寸600x400![原始哺乳动物在白垩纪开始繁盛起来,图中的多瘤齿兽就是其中一种](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73C213B65B1B51EFD846E9B11FF8E41492C53B706CDC4915D719ED10CB61A19091AFFFE69D43854731939FDF80D2059D938C49CC4607EC18D2AE3593FBC8C692EBB624E90F63D4C061EBAD8D6D40B2EC20)
原始哺乳动物在白垩纪开始繁盛起来,图中的多瘤齿兽就是其中一种
图片尺寸750x487![熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831BFB55E68A4BCAA28611A43435B8557F6C2CAB0D61A5A98947E980833B439337ACA68F608DBF13E74EED1BB28C08735FE44334ED81D2D58804BF02A291E58D64E0871D5C3061D3593432878835BB2CF1)
熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝
图片尺寸1047x616![熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73738C312C8A8FB58672B32705A71A4905C765D6A40CE5AC616F04FB8887C6AC645BD62015A339AB3F43952364E848D632A580DA02A7930BFBCD09D5528023D8D082DCE5ED312F97D3FFC356EDACDFFB13)
熊出没原始时代中出现过9种珍稀动物5种已灭绝一种成为国宝
图片尺寸971x618![地球上10大远古的动物祖先,现在都已经灭绝了](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E98907D34DB8BF4DB4E735F01D2865831BCD74CCB9D2829E33DDD67FA70C04D2CBB0AC3562B70DA05DCBB114FFD15656391B2BA72D12903EA2B43FFE940A0E4CD0CA9D7B2ED5A34868EEAF93CC9873D65E)
地球上10大远古的动物祖先,现在都已经灭绝了
图片尺寸640x418![熊出没之原始时代:原始时代三大哺乳动物,野牛犀牛和野猪](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9ED955A50412F1EEC77E777B07B704D701355A387DBF827B765A01B82E1425A7C388DDE99C2FF14730B0422F01F0F595B0DCAE7513FEDC08C8AB095630945420D7753316E4C4777620D906A1FE0099E33)
熊出没之原始时代:原始时代三大哺乳动物,野牛犀牛和野猪
图片尺寸448x252![恐龙时代有胎生哺乳动物存在吗?现代哺乳动物和恐龙有什么关系?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9D1DB2ABA43D9493E775498568E3FED446C70769A17A92F40DF76B7806EB7CEE8598D90518F3354328409D8B8FC2569411814A8026C60E20D8E758EC544079D93C1262A70B13920EB45909F4A4887E289)
恐龙时代有胎生哺乳动物存在吗?现代哺乳动物和恐龙有什么关系?
图片尺寸637x366![海洋巨兽鲸类的祖先可能是始新世已灭绝的体型和猫一般大小的偶蹄动物](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83F4734338D17DD37B996EDF700671FDD6AFF48718B65B1DBE7E32576AEFDB1AF0E1E9F4A479B0E3DB544737D124B850A31B75F4AA43AFF96FCA2E0DC167904EB0CF771135831CAC7799BE62E625DF6812)
海洋巨兽鲸类的祖先可能是始新世已灭绝的体型和猫一般大小的偶蹄动物
图片尺寸700x502![盘点现代动物在远古的祖先是什么](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A737336570B9CD5FCEB26C27D3DACA6ED54FED062978780584B41CF034599612664D054A4EA4950C78DAE076BA03325079D055D02699C989F12F606AA10E159E5E90610BFB6E6E41673D6DB31E84EFF210C)
盘点现代动物在远古的祖先是什么
图片尺寸660x660![《熊出没·原始时代》动画片最新期免费在线观看最新期集高清完整版](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E91EE28256CE97AB24F1064154C62CBFA5EF26A996F85E13C83C15553753653EF6DE0C89D4EEE07B89E56F728095375F2A3B09247AE18DF5B2D8DEFBC1CC07291EF959685C55FF4A85A96052CA7C2966A3)
《熊出没·原始时代》动画片最新期免费在线观看最新期集高清完整版
图片尺寸1000x477![祖先为食,恐象空有大块头喜欢吃水草|化石|剑齿虎|古猿|动物_网易订阅](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9E07DFE29C6E80A9C539AE9884167EA9FB44ABE59D878B0803D4FD07216EFFD19D987EB5007E25F4FCEC858AE50949CB4A272F925720D77B788F5A2B5685C34C2DDB3F713A56B3F9378D8E1971D4C48F5)
祖先为食,恐象空有大块头喜欢吃水草|化石|剑齿虎|古猿|动物_网易订阅
图片尺寸640x339