Science °æ (¾«»ªÇø)
·¢ÐÅÈË: AFisherman (Ó游), ÐÅÇø: Science
±ê Ìâ: ¡¶½ø»¯ÂÛÐéÍýÂ𣿡·:µÚʮա¢ÍêÃÀµÄ¹ý¶ÉÐ oldsailor
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2001Äê05ÔÂ20ÈÕ21:16:13 ÐÇÆÚÌì), Õ¾ÄÚÐżþ
·¢ÐÅÈË: oldsailor (ÀÏË®ÊÖ), ÐÅÇø: Science
±ê Ìâ: ¡¶½ø»¯ÂÛÐéÍýÂ𣿡·:µÚʮա¢ÍêÃÀµÄ¹ý¶ÉÐÍ
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2001Äê04ÔÂ04ÈÕ19:18:48 ÐÇÆÚÈý), Õ¾ÄÚÐżþ
¡¡¡¡¡¡¡¡¡¡¡¡µÚʮա¢ÍêÃÀµÄ¹ý¶ÉÐÍ
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡££´ÓÅÀÐÐÀൽ²¸ÈéÀà¡¡¡¡
Ê×ÏÈÈÃÎÒÃÇÀ´¿´Ò»ÏÂ΢ÑÔ´«½ÌÊ¿µÄÁíÒ»´ó»ÑÑÔ£º
¡°´ÓµØÖÊѧÉÏ¿´£¬ÐÂÎïÖֵijöÏÖ´ó¶àÊÇͻȻµÄ£¬¿´²»µ½ÓÉÒ»¸öÔÓеÄÎïÖÖÖð½¥½ø»¯
ΪÁíÒ»ÐÂÎïÖÖµÄÁ¬Ðø¹ý³Ì¡£Æù½ñΪֹ£¬½ø»¯ÂÛÕßËùÌṩµÄËùν¹ý¶ÉÐÍ»¯Ê¯±ê±¾ÓÐÈýÖÖ¡£
¡±
¡¡¡¡½Ó×ÅËû˵ÕâÈýÖֱ걾¶¼ÓÐÎÊÌ⣬ËùÒÔ½ø»¯ÂÛÊÇÐéÍýµÄ¡£ÉÏÃæÕâ¶Î»°£¬¸úËûÔÚºóÃæ˵
µÄ¡°´ï¶ûÎÄÔÚÍíÄêÒ²²»ÔÙÏàÐÅ×Ô¼ºµÄѧ˵¡±Ò»Ñù£¬¶¼ÊÇΪÁËÍÆÏú×Ô¼ºµÄÐÅÑö¶ø²»Ï§Ëµ»Ñ
¡£
¡¡¡¡ËäÈ»£¬»¯Ê¯±ê±¾·Ç³£µÄ²»ÍêÈ«£¬Ðí¶à¹ý¶ÉÐÍÎÒÃǽñÌ컹δÄÜÕÒµ½£¨Ëùνmissinglin
k£©£¬ÌرðÊÇÎÞ¼¹×µÈíÌ嶯ÎÓÉÓÚÏÔ¶øÒ×¼ûµÄÔÒò£¬¹ý¶ÉÐͱ걾¸üÉÙ¡£µ«ÊÇ£¬
¹ý¶ÉÐͱ걾¾ø¶Ô²»Ö»ÕâÈýÖÖ£¬¶øÊÇÓÐÐí¶àÖÖ£¨ÕâÈýÖÖµ¹ÊÇÖÐѧ½Ì²Ä¾³£Ìáµ½µÄ£¬Î¢ÑÔ´«
½ÌÊ¿µÄ½ø»¯ÂÛ֪ʶÖÁ¶àÊÇÖÐѧˮƽ£©£¬±È½ÏÖØÒª¶ø΢ÑÔ²»Öª»òÓÐÒâºöÂԵĻ¹ÓÐ
´ÓÓãÀൽÁ½ÆÜÀàµÄ¹ý¶ÉÐÍ£¬´ÓÁ½ÆÜÀൽÅÀÐÐÀàµÄ¹ý¶ÉÐÍ£¬ºÍ´ÓÅÀÐÐÀൽ²¸ÈéÀàµÄ¹ý¶ÉÐÍ
¡£¡¡¡¡ÓÉÓÚÈËÀà±¾ÉíÒ²ÊôÓÚ²¸ÈéÀ࣬´ÓÅÀÐÐÀൽ²¸ÈéÀàµÄ¹ý¶ÉÐ;ÍÏԵøñÍâÖØÒª£¬ÎÒ
ÃǹÃÇÒ³Æ֮Ϊʼ×æÊÞ»òÀàÊÞÅÀÐÐÀࣨmammal-like reptiles£©¡£ÐÒÔ˵úܣ¬´ó×ÔÈ»
ΪÎÒÃDZ£´æÁ˼¸Íò¼þʼ×æÊ޵Ļ¯Ê¯±ê±¾£¬Í¨¹ýÑо¿Èç´ËÖÚ¶à¶øÓÖ²»¾¡ÏàͬµÄ»¯Ê¯±ê±¾£¬
ÎÒÃǶÔÅÀÐÐÀà½ø»¯Îª²¸ÈéÀàµÄ¹ý³ÌÓÐÁËÒ»¸öÏ൱Çå³þµÄÈÏʶ¡£Êµ¼ÊÉÏ£¬²¸ÈéÀà
µÄ½ø»¯ÊǹÅÉúÎïѧÖÐ×îÍêÉƵÄѧ˵¡£¡¡¡¡ÎÒÃÇÖªµÀµÄ²¸ÈéÀàµÄÌØÕ÷£¬Ïóºã¶¨µÄÌåκÍÓÐ
ÈéÏٵȵȣ¬ÊÇÎÞ·¨±£´æÔÚ»¯Ê¯ÖÐ
µÄ¡£µ«ÊÇ£¬²¸ÈéÀàÔڹǸìµÈÐí¶à¿É±£´æµÄ²¿·ÖÓÐ×ÅÇø±ðÓÚÅÀÐÐÀàµÄÌØÕ÷¡£µ±Ò»¸ö¹ÅÉúÎï
ѧ¼ÒÅж¨Ò»¾ß»¯Ê¯±ê±¾ÊÇÊôÓÚ²¸ÈéÀà¶ø²»ÊÇÅÀÐÐÀàʱ£¬ËûÖ÷Òª¸ù¾ÝÒÔÏ£²£¶¸ö
ÌØÕ÷£¬ÎªÁËÔÚÏÂÃæµÄ˵Ã÷µÄ·½±ã£¬±àºÅÈçÏ£¨µÚÒ»¸öÌØÕ÷¡°ÑòĤµ°¡±ÊÇÅÀÐÐÀàºÍ²¸
ÈéÀ๲Óеģ©£º1. amniote egg. 2. temporal opening. 3. canine tooth. 4. c
oronoid process. 5. erect gait. 6. 2-3-3-3-3 toe bones. 7. secondary pal
ate. 8. double condyle. 9. enlarged dentary. 10. complex jaw muscles. 11
. differentiated teeth. 12. tympanic bone. 13. quadrate/articular hearin
g. 14. loss of third eye. 15. diaphragm. 16. long maternal care (milk?).
17. hair. 18. forward ilium. 19. single hares. 20. dentary/squamosal ja
w joint. 21. loss of post orbital bar. 22. fused neck ribs. 23. 2 rooted
teeth. 24. epiphyses/terminal growth. 25. big brain. 26. live birth. 27
. singlelower jaw bone.¡¡¡¡¶øµ±ÎÒÃÇÑо¿Õ⼸Íò¾ßʼ×æÊ޵Ļ¯Ê¯±ê±¾£¬·¢ÏÖËüÃÇ»ò¶à
»òÉÙ²»Í¬³Ì¶ÈµØ¾ßÓÐ
ÕâЩ²¸ÈéÀàµÄÌØÕ÷£¬¶øÇÒ£¬ËûÃÇÉú´æµÄʱ´úÔ½Ô磬¾ßÓеÄÕâЩÌØÕ÷Ô½ÉÙ£¬·´Ö®ÔòÔ½¶à¡£
ÒÔËüÃÇÉú´æµÄʱ´ú´ÓÔçµ½ÍíΪÐòÁбíÈçÏ£º£¨×ó±ßÊÇʼ×æÊÞµÄÖÖÀàµÄÃû³Æ£¬ÓÒ
±ßµÄÊý×ÖΪËüÃǾßÓеIJ¸ÈéÀàÌØÕ÷µÄ±àºÅ£©Anapsida: 1Pelycosauria: 1,2,3
Eotheriodonia: 1,2,3,4
Gorgonopsia: 1,2,3,4,5Therocephalia: 1,2,3,4,5,6,7
Cynodontia: 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
Advanced Cyno.: 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21
Prororheria: 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,
24
Placentals: all of 27 mammalian characters
¡¡¡¡ÎÒÏ룬ÈκÎÓжÀÁ¢Ë¼¿¼µÄÄÜÁ¦µÄÈË£¬Ö»ÒªËû²»±§Æ«¼û£¬¶¼Ö»ÄܵóöÕâÑùµÄ½áÂÛ
£º²¸ÈéÀàÊÇ´ÓÅÀÐÐÀàÒ»²½Ò»²½µØ£¬´ÓÔçÆÚµÄAnapsidaµ½ÍíÆÚµÄPlacentalsÖð½¥»ñµÃ
²¸ÈéÀàµÄÌØÕ÷£¬½ø»¯¶øÀ´µÄ¡£Õâ¸ö¹ý³Ì·¢ÉúÔÚ¾à½ñÁ½ÒÚÄêÇ°¡£µ½¾à½ñÒ»ÒÚÈýǧÍòÄêÇ°Íê
³ÉÁËÕâ¸öת±ä¡£
¡¡¡¡ÖÐѧ½Ì²Ä²»Ìáʼ×æÊÞ£¬ÊÇÒòΪËüÌ«¸´ÔÓ£¬Ì«×¨Òµ»¯ÁË£¬Ô¶²»ÈçÖ»ÕÒµ½¼¸¾ß±ê±¾µÄʼ
×æÄñÖ±¹Û¶øÒ×ΪÖÐѧÉú½ÓÊÜ¡£ÖÐѧÉú¿ÉÒÔ²»ÖªµÀʼ×æÊÞ£¬¿ÉÒÔ²»ÖªµÀÆäËûµÄ¹ý
¶ÉÐÍ£¬µ«ÊÇÄãÒª²µµ¹½ø»¯ÂÛ£¬²»ÖªµÀÐÐÂ𣿾ÍƾÄǵãÖÐѧ֪ʶ¾ÍÏò½ø»¯ÂÛ·¢ÄÑ£¬È°ËµÉú
Îïѧ¼ÒÃǽÓÊÜÄãµÄ¹Ûµã£¬Î´ÃâÌ«Ó×ÖÉÁË°É£¿
¡¡¡¡ÖµµÃÒ»ÌáµÄÊÇ£¬µ±´ï¶ûÎÄ·¢±íËûµÄѧ˵ʱ£¬»¹Ã»ÓÐÒ»¾ßÕâÑùµÄ¹ý¶ÉÐͱ걾±»·¢ÏÖ£¬
µ«ÊÇËû³É¹¦µØÔ¤ÑÔÁËÓÐÕâÑùµÄ¹ý¶ÉÐÍ´æÔÚ£¡»¹ÓбÈÕâ¸ü˵Ã÷ÎÊÌâµÄÂð£¿
--
Ư²´¶àÄê ÖÕÓÚ·¢ÏÖ
ϦÑô²¢·ÇÔ¶ÔÚÌì±ß ¶øÊǾÍÔÚÑÛÇ°
¡ù À´Ô´:¡¤¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn¡¤[FROM: 202.118.229.110]
Powered by KBS BBS 2.0 (http://dev.kcn.cn)
Ò³ÃæÖ´ÐÐʱ¼ä£º6.923ºÁÃë