(5分)某中学生物学科兴趣小组在学习了“青蛙的生殖和发育”后，开展“各种污染物对青蛙受精卵孵化率的影
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| （１）卵生 蝌蚪 （２）③ （３）被孵化的蛙卵的数量 （４）③号缸中蛙卵的孵化率最高（或“①、②号缸中蛙卵的孵化率远低于③号缸”） 绛旓細鏈缁堢粰浜虹被甯︽潵涓ラ噸鐨勫嵄瀹筹紟锛5锛涓轰簡鍑忓皯搴熺數姹犱腑姹炵殑鍗卞锛屾垜浠湪鏃ュ父鐢熸椿涓敖閲忎笉浣跨敤鍚睘鐨勭數姹狅紱瀵逛簬搴熸棫鐢垫睜锛岃鍋氬ソ鍒嗙被鍥炴敹澶勭悊绛夛紟鏁呯瓟妗堜负锛氾紙1锛夊鍥撅紙2锛夋按铓ゃ佹渤铓岀殑椋熺墿涓板瘜锛屾暟閲忓鍔狅紱缁嗚弻绛夊井鐢熺墿锛堝垎瑙ｈ咃級锛3锛夌敓鐗瀵岄泦锛4锛夊敖閲忎笉浣跨敤鍚睘鐨勭數姹狅紱瀵逛簬搴熸棫鐢垫睜锛屽垎绫诲洖鏀跺鐞嗙瓑 ... 绛旓細(5)鍖荤敓鍦ㄦ楠屾煇鐥呬汉鐨勫翱娑叉椂鍙戠幇浜嗚緝澶氱殑绾㈢粏鑳烇紝濡傛灉鏄偩鑴忔湁鐤剧梾锛屽彲鑳芥槸 鍑虹幇浜嗙梾鐥囥42锛(5鍒)鏌愪腑瀛︾敓鐗╁绉戝叴瓒ｅ皬缁鍦ㄥ涔犱簡鈥滈潚铔欑殑鐢熸畺鍜屽彂鑲测濆悗锛屽紑灞曗滃悇绉嶆薄鏌撶墿瀵归潚铔欏彈绮惧嵉瀛靛寲鐜囩殑褰卞搷鈥濈殑鎺㈢┒娲诲姩銆備粬浠噰闆嗕簡涓瀹氭暟閲忕殑闈掕洐鍙楃簿鍗碉紝浠ュ寲鑲ャ佹礂娑ゅ墏浣滀负姹℃煋鐗╋紝鍦ㄩ奔缂镐腑杩涜瀹為獙瑙傚療銆... 绛旓細鐢熺墿瀛︾鏄竴闂ㄥ疄楠屽绉戯紝绂讳笉寮瀵圭敓鐗╁湀鐨勫疄鍦拌瀵熷拰鐮旂┒銆傚钩鏃剁殑鐢熺墿璇惧爞鐢变簬鍙楀埌鏃堕棿銆佹暀瀛︿换鍔＄瓑闄愬埗锛屽緢灏戞湁鏈轰細璁瀛︾敓杩涜鎴峰瑙傚療銆佸疄楠岀瓑娲诲姩锛屽紑灞曠敓鐗鍏磋叮灏忕粍娲诲姩鎭板ソ鍙互寮ヨˉ杩欎竴缂烘喚銆傚湪灏忕粍鎴愬憳鐨勫己鐑堝缓璁笅锛屽彧瑕佸ぉ姘旀儏鍐靛厑璁革紝鎴戞绘槸甯﹂瀛︾敓浠蛋鍑烘暀瀹わ紝璧板嚭鏍″洯锛屽鍚戝ぇ鑷劧銆傚皬缁勬垚鍛樹滑涓釜... 绛旓細(1)濡傚彸鍥 (2)鍒嗚В鑰(3)鐢熺墿瀵岄泦(4)灏介噺涓嶄娇鐢ㄥ惈姹炵殑鐢垫睜锛涘浜庡簾鏃х數姹狅紝鍒嗙被鍥炴敹澶勭悊绛 绛旓細浜銆佹暀瀛︽帾鏂藉拰鏂规硶 1銆佺户缁繁鍏ュ涔犳湁鍏崇殑鏁欒偛鐞嗚鍜岃浆鍙樻暀鑲茶蹇,鍦ㄧ户鎵夸紶缁熸暀鑲蹭紭鍔跨殑鍩虹涓婂姏浜変娇鑷繁鐨勮鍫傛暀瀛︽湁鎵鎻愰珮鍜屽垱鏂般 2銆佸叏闈㈠紑灞曠激绾锋暀鑲,缁勫缓鐢熺墿鍏磋叮灏忕粍,缁х画杩涜涓婂鏈熺殑绉嶆娲诲姩浠ュ強瀛﹀叿妯″瀷鍒朵綔銆 3銆佽鍓嶇粰瀛︾敓鍙戝竷瀛︿範浠诲姟,鐫ｄ績瀛︾敓鏈夌洰鏍囩殑杩涜璇惧墠棰勪範銆 4銆佸鐢熷垎灞傛鍒嗙粍,鍚勪汉鍒嗗伐鏄庣‘... 绛旓細銆愮瓟妗堛戯細C 鏈鑰冩煡鍥犳潗鏂芥暀鍘熷垯銆傚洜鏉愭柦鏁欐暀瀛﹀師鍒欐槸鎸囨暀甯堣浠庤绋嬭鍒掋瀛︾璇剧▼鏍囧噯鐨勭粺涓瑕佹眰鍑哄彂锛岄潰鍚戝叏浣瀛︾敓锛屽悓鏃惰鏍规嵁瀛︾敓鐨勫疄闄呮儏鍐点佷釜鍒樊寮傦紝鏈夌殑鏀剧煝鍦拌繘琛屾暀瀛︼紝浣挎瘡涓鐢熼兘鑳芥壃闀块伩鐭紝鑾峰緱鏈浣冲彂灞曘傛櫘閫氫腑灏忓缁忓父缁勭粐璇稿鐢熺墿銆佺墿鐞嗐佽埅妯＄瓑鍏磋叮灏忕粍锛屼富瑕佹槸涓轰簡閽堝瀛︾敓涓嶅悓鐨... 绛旓細寰楀垎 璇勫嵎浜20.(2009灞变笢鑾辫姕)(5鍒)瀹為獙涓鐢熺墿鍏磋叮灏忕粍瀵规煇灏忔渤涓嚑绉嶄笉鍚岀敓鐗╂秷鍖栭亾鍐呯殑椋熺墿杩涜鍒嗘瀽,骞惰鐜繚涓撳瀵硅繖5绉嶇敓鐗╀綋鍐呯殑涓昏姹℃煋鐗╁惈閲忚繘琛屼簡娴嬪畾銆傚叾缁撴灉瑙佷笅琛:鐢熺墿绉嶇被 娑堝寲閬撳唴椋熺墿 鍗冨厠浣撻噸姹炵浉瀵瑰惈閲廇 椴囬奔 灏忛奔 78B 娌宠殞 姘磋殼銆佸皬鐞冭椈 25C 灏忕悆钘 / 3... 绛旓細瀛︾敓鍒氭鍏鍒濅腑,搴斿绻佸澶嶆潅鐨瀛︾,鍦ㄥ涔犳柟娉曞拰搴斿涓婁笉鍏嶆湁浜涗笉閫傚簲,鐢氳嚦鍑虹幇涓嶇煡鎵鎺殑鎯呮櫙銆傛墍浠,瑕佹彁楂樺鐢熷涔鍏磋叮,鎸囧瀛︿範鏂规硶銆傚垵涓瀛︾敓瀵瑰懆鍥寸殑涓鍒囦簨鐗╅兘寰堟柊椴滃ソ濂,浣滀负鏁欏笀搴斿敜璧蜂粬浠殑鐑勘,璁╁鐢熷鐭ヨ瘑浜х敓鍏磋叮,浜х敓瀛︿範鍔ㄥ姏,浠ュ埌杈炬彁楂樺鐢熸垚缁╃殑鐩殑銆 浜屻佹寚瀵兼濇兂 浠ュ叏鏃ュ埗涔夊姟鏁欒偛鐢熺墿璇剧▼鏍囧噯(瀹... 绛旓細寰堝浜洪兘鍗佸垎澶寸柤鎬庝箞鍐欎竴浠界簿褰╃殑鏁欏鎬荤粨,涓嬮潰鏄垜甯ぇ瀹舵暣鐞嗙殑涓鐢熺墿瀛︾鏁欏宸ヤ綔鎬荤粨(閫氱敤5绡),浠呬緵鍙傝,甯屾湜鑳藉甯姪鍒板ぇ瀹躲 涓鐢熺墿瀛︾鏁欏宸ヤ綔鎬荤粨1 寮瀛︿互鏉,鎴戠粍鏍规嵁瀛︽牎鐨勫伐浣滃畨鎺,鍦ㄨ档灏氭牎闀跨殑鍖呯粍棰嗗涓,缁勫唴鏁欏笀绮捐瘹鍥㈢粨,鍚勫敖鍏惰兘,璁ょ湡璐熻矗鍦板畬鎴愪簡鍚勯」鏁欏鏁欑爺浠诲姟銆傛荤粨杩欎竴娈垫椂闂翠互鏉ョ殑宸ヤ綔,... 绛旓細浜屻侀潪閫夋嫨棰橈紙鍏60鍒嗭級锛3锛変汉鍦ㄧ敓鎬佺郴缁熶腑灞炰簬 锛堚滅敓浜ц呪濄佲滄秷璐硅呪濊繕鏄滃垎瑙ｈ呪濓級3銆侊紙16鍒嗭級鏌愮敓鐗╁叴瓒ｅ皬缁鍋氫簡鈥滄帰绌剁帀绫崇瀛愯悓鍙戠殑鐜鏉′欢鈥濈殑瀹為獙锛氬湪鐢层佷箼銆佷笝銆佷竵鍥涗釜鐑ф澂涓垎鍒斁缃瓑閲忕殑妫夎姳銆佸啀灏嗙浉鍚屾暟閲忕殑鐜夌背绉嶅瓙鏀惧湪涓婇潰锛屽湪濡備笅璁剧疆鏉′欢涓嬪煿鍏伙紝璁板綍瀹為獙缁撴灉銆傜粍鍒 绉嶅瓙鎵... 本站交流只代表网友个人观点，与本站立场无关 |
