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学习快评丨qibao666888　　层📥(ceng)孔🐭(kong)海🗞(hai)绵💖(mian)是💩(shi)奥🌩(ao)陶🐯(tao)纪🔋(ji)-泥📢(ni)盆🚫(pen)纪✈(ji)(古🛷(gu)生🤤(sheng)代🍥(dai))标🤢(biao)志🚳(zhi)性🤛(xing)的👍(de)浅🦍(qian)海🈸(hai)造❌(zao)礁🗄(jiao)动🏺(dong)物🈚(wu)之🐥(zhi)一🔕(yi)🔠，在⚾(zai)礁🐭(jiao)构👯(gou)建🍓(jian)中🏎(zhong)的🍻(de)作🔴(zuo)用🏸(yong)、生⏭(sheng)态🤓(tai)地👚(di)位🛷(wei)和🦂(he)地🏄(di)理🕚(li)分🤑(fen)布😈(bu)上😾(shang)类🆎(lei)似📃(si)于🐐(yu)现✝(xian)代👙(dai)珊🛵(shan)瑚🎎(hu)💘。🚀在🔏(zai)中🍕(zhong)奥🐕(ao)陶🔁(tao)世🤹(shi)达😠(da)瑞⏫(rui)威🏿(wei)尔👢(er)晚🙈(wan)期🛏(qi)(距🧕(ju)今🐯(jin)4.6亿🔯(yi)年⛪(nian)前😃(qian))🔠，层🐡(ceng)孔🤝(kong)海🚫(hai)绵👀(mian)几⏳(ji)乎🤓(hu)同♋(tong)时💉(shi)融🛌(rong)入🍕(ru)热🤰(re)带👝(dai)至🕢(zhi)亚🚃(ya)热🍭(re)带😧(dai)气🚔(qi)候⬅(hou)区🥫(qu)的♉(de)全🌃(quan)球🕳(qiu)礁🐟(jiao)生🥗(sheng)态🔍(tai)系🍻(xi)统🥎(tong)💘。因🤢(yin)为🤨(wei)受📧(shou)到✡(dao)奥📅(ao)陶✴(tao)纪👺(ji)生🤛(sheng)物🐏(wu)大💫(da)辐🌞(fu)射🏙(she)事🍆(shi)件💋(jian)期♉(qi)间🔄(jian)海🎑(hai)洋♟(yang)生🌜(sheng)物🤩(wu)多🤶(duo)样🔶(yang)化😙(hua)的⛺(de)影🤵(ying)响🔺(xiang)🔠，这📭(zhe)一🕉(yi)时⬆(shi)期🤚(qi)的🖤(de)礁🖇(jiao)生👼(sheng)态🎀(tai)系📃(xi)统😶(tong)从🔼(cong)微🖥(wei)生🧥(sheng)物🕧(wu)主🏪(zhu)导🛐(dao)向💷(xiang)层⏺(ceng)孔🚯(kong)海🗄(hai)绵🌙(mian)和🔠(he)珊⬅(shan)瑚🎷(hu)主🐷(zhu)导🍬(dao)转🤳(zhuan)变🍒(bian)💘。然🐈(ran)而🈳(er)🔠，层💬(ceng)孔🐮(kong)海🔨(hai)绵🐢(mian)突🌛(tu)然🔤(ran)融🔻(rong)入🐢(ru)礁👋(jiao)生🌗(sheng)态🤹(tai)系🍘(xi)统💟(tong)引🤢(yin)发🚘(fa)一🎅(yi)系📁(xi)列🚖(lie)有💤(you)趣🎓(qu)的🤟(de)关🔗(guan)键🐯(jian)科🎐(ke)学🗻(xue)问🎻(wen)题🛹(ti)：最🍣(zui)早🛍(zao)的💺(de)层🚪(ceng)孔🦄(kong)海💾(hai)绵🐴(mian)何🏺(he)时🌃(shi)出🔬(chu)现♍(xian)？🏭它💫(ta)们💡(men)是⬇(shi)如🎺(ru)何🍖(he)获🧜(huo)得🚉(de)矿🚯(kuang)化🥂(hua)骨🔪(gu)骼🛵(ge)的🕵(de)？最🐥(zui)早🌐(zao)的🔡(de)层🚏(ceng)孔🌞(kong)海🐚(hai)绵🛎(mian)在🥔(zai)古🤑(gu)生📔(sheng)态💝(tai)中🔹(zhong)扮🗺(ban)演🖤(yan)了🦎(le)什👲(shen)么🦋(me)角🥘(jiao)色👚(se)？它🛴(ta)们🚙(men)如🕊(ru)何😬(he)成🔘(cheng)为♈(wei)礁🥉(jiao)生👷(sheng)态🌘(tai)系👋(xi)统🎺(tong)的⏩(de)重🔓(zhong)要🚚(yao)组🙄(zu)成🎢(cheng)部🐈(bu)分🎨(fen)？一🗡(yi)系📫(xi)列🛄(lie)问🤔(wen)题🖌(ti)因🏡(yin)为💱(wei)缺🙋(que)少📑(shao)早🌲(zao)期🍅(qi)层🤮(ceng)孔🔈(kong)海🔃(hai)绵👕(mian)的🅾(de)化🔛(hua)石🖱(shi)记👟(ji)录😺(lu)而🚪(er)无🚆(wu)从💁(cong)得💔(de)知📼(zhi)💘。　　。