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  • ָͬһֲͬԱ֮IJֳ죨һΪԱﶼֳIJ죬һ˵Ҫֳָûֱӹϵڶ͡ɫż򶷵١
    2016-4-11 11:52
  • 鶯

    鶯ָһЩʱںҪеԴΪIJ鶯ţޡܡ̡ʨ󡢾㡢ȡвֵĶҪЪԵĵ½ϢֳвҪ
    2016-4-10 10:35
  • 㣬ֱΪӢNorth Poleڳƺϵĵڵĵ㣬Ҳǵתڱཻĵ㡣ΧĵΪ
    2015-11-11 08:07
  • Ӫ

    Ӫ

    Ӫ ӢTrophic level ָʳ֮ռλá̬ϵͳʳУͬķʽȡͬʳֲȺͶȺɷֱһӪ
    2015-4-16 15:37
  • ָʹö̽ΪصңӰʦֱĵõĻ棬̬оලԡ۲ҰѰϡֵȡ
    2015-3-7 11:23
  • п˶

    п˶

    п˶ˣӢLeague Against Cruel SportsһѪ˶Ķ︣֯ҲԾڽֹ졢ۺʹãĿĽֹҵԵ˶
    2015-3-4 15:16
  • ΪǵϣĻҪ֣ʵʵӽǡ
    2015-3-3 10:41
  • а¼

    а¼Toarcian extinction˹ͺս-а¼Pliensbachian-Toarcian extinction٪޼¼Early Jurassic extinction٪޼ڵ˹ͺսа֮䣬Լ18300ǰ
    2015-2-19 11:42
  • ױʱ

    ױʱڣMakganyeneڣ24ǰ21ǰλڹԪŴijּ֮䣬ڼд¼Great Oxygenation Event, GOEķ
    2015-2-19 11:32
  • Q

    Q

    ݶQۣʷǰܵһӡŴĶQ237N 9849EͻɽɵľӰ졣
    2015-2-18 09:28
  • ϿȺ

    ϿȺ

    ϿȺӢEdiacaran biotaֳưϿȺ1946귢ڰĴϲϿEdiacaraɽصĩԶϵӵʯӢеĻʯȺ໯ʯȺ30ص㱻֡
    2015-2-18 09:17
  • ܣֳƱ½ϵıӻԭ뺣УںϵĴƬˮֻϼޡͼôĺбܡϵı½ϱķֽ߳ߣ½ʾı뺣У
    2015-2-18 08:41
  • λڵϱļڣڵdzϺԽ˵ϳ겻ܻı㡣
    2015-2-18 08:20
  • ǣice sheetָı50,000 km219,000 sq mi½أҲ½continental glacierĿǰеıԭϼ
    2015-2-18 08:05
  • Ļչ

    Ļչ

    521ĻԴٽԻͷչաϹܸ̿֯²޷´ָÿһĻڹĻ԰Լصӡǡ
    2015-1-3 16:01
  • ̬ԣѧ

    ̬ԣѧ

    ̬ԣӢpolymorphismѧָһֵͬһȺдֻԲͬı̬͡ԱͬһʱͬһϢг֡
    2016-4-11 11:48
  • ·

    ·

    ѧУ·(Lazarus taxon)˼Щڻʯ¼ͻȻʧֳֵ֡һ˼ָһֱ϶Ϊ֮֮ٴηֵ֡
    2016-4-8 13:17
  • صǶļݶˬͬ仯Ķᾭ˵ձ仯ֵ걻ѩǣѩ󲿷ֵÿеĴ󲿷ʱرбѩ
    2015-11-11 08:00
  • ô󺣱ɱҵ

    ô󺣱ɱҵ

    ô󺣱ɱҵָôһһҵɱĻֻеѪ⵽֯ǿҿ飬Ʒ⵽ŷߵĵơ
    2015-4-3 08:05
  • ࡢ붯︣

    ࡢ붯︣(:Partei Mensch Umwelt Tierschutz)ƶﱣ(:Die Tierschutzpartei)Ϊһ¹ҪĿΪȨд¹С
    2015-3-4 15:25
  • Ƥó

    Ƥó

    ˵ָƤݼóסëƤóڻ˹ʱ֮ǰ˽ëƤ˰(Ҳ뱣ӶëƤ)
    2015-3-4 15:07
  • л񹲺͹

    л񹲺͹

    л񹲺͹2014424յʮȫ᳣ίԱڰ˴λ޶201511ʩС
    2015-3-1 13:56
  • ¼

    ¼Great Oxygenation Event Ҳֱ䣨Oxygen Catastrophe or Oxygen CrisisȲͬƺָԼ26ǰеͻȻӵ¼
    2015-2-19 11:40
  • յڽ¼

    յڽ¼Aptian extinctionǸڰѼڵСģ¼ΪԼ11700ǰ11600ǰԼǰյڽڡݵزе֤ݣյڽ¼ԺɽϴӰ죬½С
    2015-2-19 11:26
  • ͣռ¼

    -ռ¼Լ4.88ǰһηOȺ¼¼棬˹ĺͣռ͡
    2015-2-18 09:25
  • άѭ

    άѭ

    άѭMilankovich cyclesάǵĵѧҼѧ¬͢ά˶ۡάѧϸı˵ʡתǺ͹Ľȷģʽ
    2015-2-18 09:10
  • ԭ

    ԭ

    ԭice fieldС50,000 km²ıǵ½ءǻӵϿȱγɵĹɽ˱ԭ塣ԭҪȸɽ󣬵Сڱǣӽڱñ
    2015-2-18 08:37
  • ö

    ö

    öӢPermafrost㡢궳һѧʣָ㣨TundraˮĽ£0棩״
    2015-2-18 08:18
  • ȫ԰չҪ

    ȫ԰չҪ

    ԰Ϊ̵ϵͳпչҰۺϱר๫԰DZԵʾṫҵҪɲ֣Ǿ̬Ҫ壬ǿչҰۺϱͿѧоԹڽпսͻ
    2015-2-15 08:15
  • գӢΪClean Up the World Weekend (CUW Weekend)һʼǰĴǵķѡֻԪ19893·һεѩա
    2015-1-3 15:59
  • ݻ

    ݻ

    ݻӢDivergent evolutionָѧйͬݻԴݻ𽥷ֳֻӦɾɹ۲첻ֵ̬ͬӣһЩ;֪ݻѧо֮һ
    2016-4-11 10:50
  • ϡﱣ

    ϡﱣ

    ϡ(rare animal)ȻΪϡкĶϸҶ˲̶ͬϡ⡣ΪˣϽÿ48նΪϡﱣա
    2016-4-8 07:50
  • 򱱼طʱҲֱáһָָǻڵ򱱼Χĵϼһ𹹳˵ĺԼô˹ݡ˹Ų䡢ͱ˸ҵIJֵ
    2015-11-11 07:52
  • ƹ٣ᆵ죩

    ƹ٣ӢAnimal control officerطƶĹԱ乤ΧֹŰԮնȣְλ빫ԱƻʽƸ룬ȨЯǹ֧Ⱦ䱸
    2015-3-12 23:02
  • ֲȨ

    ֲȨֲеȨһ⾭붯Ȩһۡ
    2015-3-4 15:23
  • Ӣϳ

    ӢϳˣӢϳϹᣬ1898614գɰ˷˹°أӢʱʱҪΧǽ˵о顢ԵʽԼɰǣ浽йʹ÷Ƿԡ
    2015-3-4 15:06
  • Ұֲ

    Ұֲ

    20131220գϹʮ˽ÿ33ΪҰֲգǶҰֲʶҰֲٵвǾ޴ģǿͨŬЩв
    2015-2-26 09:20
  • ռ-־¼

    ռ-־¼ӢOrdovicianCSilurian extinction eventҲưռʹӢOrdovician extinctionڵʷδģ¼еڶ4.4ǰԼ85%
    2015-2-19 11:39
  • ָǽѧϵִ˳ֵḶ̌ͨ鳤ĽʷҪоHomoִˣHomo sapiensΪص˿ƣhominidֳֵḶ̌о鳤දֵĽ̡
    2015-2-18 12:29
  • ʹ󱬷

    ʹ󱬷ƺ󱬷ָھ5.3ǰĺʱڣ2,000ֻʯ˲ֵΡжġšһʱڳˡִĽϸߵԼֶԣǣһαسΪ󱬷ҲĿʼ
    2015-2-18 09:22
  • ĩαʢ

    ĩαʢ

    ĩαʢڣӢLast Glacial MaximumдΪLGM롰ĩ۱ڡָĩαΪ䡢ģﵽʱڣԼ2.651.92ꡣ
    2015-2-18 09:00
  • ñ

    ñ

    ñice capһ͵Բ״50000km2½һ㳣ڸԭ50000km2Ľǣice sheet
    2015-2-18 08:34
  • 㣬ֳƶԭ̦ԭȻѧָµ͡ڶ̣޷ľĻڵѧָ϶£бĸʯ
    2015-2-18 08:16
  • ǧ귢չĿ

    ǧ귢չĿ

    ǧ귢չĿ꣨ӢMillennium Development Goals2000ϹǧԻ8ʷչĿ꣬Ϲǧʽһŵ
    2015-2-6 09:00
  • λĮ͸ɺ

    λĮ͸ɺ

    λĮ͸ɺգӢWorld Day to Combat DesertificationλĮ͸ɺգΪÿ617գһԵĿɺ˶һλĮ͸ɺ1995617ա
    2015-1-3 15:51
  • ͬݻ

    ͬݻ

    ݻѧУͬݻӢConvergent evolutionֲָԵϵĶﳤͬƵĻԻ̬ϵͳӦҪչͬܵٵ󣬼ͬ١
    2016-4-11 10:42
  • ɭ

    ɭ

    ɭաֱΪҵڡӢ World Forest Day 1971꣬ŷũҵ˵︥ϣ鲢õһͨġ
    2016-3-22 08:08
  • Ȼ

    Ȼ

    ȻһʵĿѧСǵĻʶɻƵϰ߿ʼγһλȥָԼ֮䡢ڲȻԴʹϵԻѧġϵġεġ뷨ɵ෽ʵݡ
    2015-9-20 12:15
  • ѱѱ

    ѱѱ

    ѱֲָȺƿصĹ̡ʹѱĿİΪʳ䡢ǹ;ѱũȡ
    2015-3-8 18:55
  • ֹͣ͢ٶŰսʿ

    ֹͣ͢ٶŰսʿ

    ֹͣ͢ٶŰսʿӢļSHAC7ָֹͣ͢ٶŰһȨԱ200633ձҵйоСֲ弰š
    2015-3-4 15:20
  • ѧ

    ѧֳѧѧָѧҽѧѧ
    2015-3-4 15:04
  • ͺ¼

    ͺ¼

    ͺ¼ӢLate Devonian extinctionֳ¼ǵʷҪĴģ¼֮еĵĴ¼ڹڡ
    2015-2-19 11:54
  • -٪޼¼

    -٪޼¼

    -٪޼¼TriassicCJurassic extinction eventOȺ¼֮һ٪޼֮䣬Լ19960ǰһ˵2140ǰ
    2015-2-19 11:37
  • Ⱥƿ

    Ⱥƿ

    ȺƿЧӦ˿ƿָijȺͻȻɵɼ50%ϻٵ¼
    2015-2-18 09:32
  • Ͽĩ¼

    Ͽĩ¼

    Ͽĩ¼ӢEnd-Ediacaran extinctionֳ𵩼ĩ¼һοܷԼ5.42ǰϿĩڵĴ
    2015-2-18 09:21
  • ļͱʱڣļͱڣ

    ļͱʱڣļͱڣ

    ļͱʱ, Ҳļͱڡļʹڡļͱڡļͱڡڡǰʱڡĩαʱڡָ258ǰڵĵʱΡ
    2015-2-18 08:54
  • ´ԭϡԭ

    ´ԭϡԭ´ĵشֲһ仯ܴ󣬽ˮļˮԼΪ200-500ףˮ־ڶȱ״̬
    2015-2-18 08:25
  • ĩα

    ĩα

    ĩαڵļ͵ĸڷһαڡĩαԼ11ǰʼǰ9600-9700ᡣڼ䣬εıˡ˳ΪΣıо̽ȥʮĩαڹ24Ρ
    2015-2-18 08:12
  • ұĻҪáѧоֵ½Ұ¼

    ұĻҪáѧоֵ½Ұ¼

    ұĻҪáѧоֵ½Ұ¼ơж200081Թҵ7ŷʵʩл񹲺͹ΪչͺĻҪáѧоֵ½ҰԴά̬ƽɹҵƶһ¼
    2015-1-21 13:31
  • 纣

    纣Ƕÿ68ա1992꣬ڰԼ¬ٿϹ뷢չȷ纣ԭȲϹĹٷգ2009Ϲ״ף纣ա
    2015-1-3 15:46

¼Ƭ

¼Ƭ

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