403| 0
|
北极的夏季和冬季是没有明暗循环的极昼与极夜,这些季节差异如何影响驯鹿的生物节律呢? |
簽到天數: 33 天 [LV.5]常住居民I
|
| ||||
GMT+8, 2024-11-29 06:14 , Processed in 1.493457 second(s), 18 queries , Gzip On, Memcache On.
Powered by Discuz! X2.5
© 2001-2012 Comsenz Inc.