- 相關(guān)中文詞匯
- 棘皮動物
- echinoderms所屬的單詞分類
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Animal / 動物 [799]
woolly rhinoceros · woolly mammoth · woolly bear caterpillar · wild cat · western meadowlark · Umbrellabird · Treefrog · thresher shark · Swallowtail Butterfly · spiny lizard
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The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and ''.
腸體腔由原腸壁的袋裝生長而形成的體腔99精品无码午夜福利理论片，尤其存在于棘皮動物和脊索動物中
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The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.
腸體腔由原腸壁的袋裝生長而形成的體腔，尤其存在于棘皮動物和脊索動物中
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The animal's diet consists of a variety of bivalves, snails and echinoderms, as well as other crustaceans such as hermit crabs.
動物的飲食包括各種各樣的貝類视色4se，蝸牛和棘皮類九九视频在线观看A片国产，如寄居蟹以及其他甲殼動物。
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The fourth milestone was in the embryonic stage of development . Vertebrates and echinoderms began to develop differentiated mouth structures from secondary openings off the blastopore ( an initial opening in the embryonic cavity ).
第四個重要事件出現(xiàn)動物的胚胎發(fā)育期精品视频小说图片在线观看，脊椎動物和棘皮動物開始在胚孔（即動物早期胚胎原腸的開口）相對的一端另行開口欧美指交视频在线观看，并最終發(fā)育為成體的口。
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It may include the remains of bottom-dwelling forms (e.g. ammonites, echinoderms, and pelecypods), and nodules of chert and pyrite.
它可以包括海底形態(tài)的殘留物（即鸚鵡螺化石黄片视频吗、棘皮動物和瓣鰓綱斧足類動物）和燧石和黃鐵礦的結(jié)節(jié)a无码毛片免费视频。
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echinoderms：棘皮動物
這些都是棘皮動物(echinoderms). 他們的皮膚上都有刺,通常其身體平面圖呈現(xiàn)五部分的放射狀對稱. 全世界有1800多種海蛇尾,一般生活在珊瑚礁的裂縫里,或者生活在管狀和瓶狀海綿動物體內(nèi)的中空里. 筐蛇尾(basket star)和海蛇尾親緣關(guān)系很近,
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echinoderms：棘皮類
但雙枚貝類(bivalvemollusks)欧美激情黑人、棘皮類(echinoderms)aa美国一级性爱片、被囊類動物(tunicates)和海洋腹足類動物(marine gastropods)等漁產(chǎn)品之生物毒素符合歐盟執(zhí)委會第853/2004號規(guī)章附件III第VII部分第五章第二點之標準者,不在此限.
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echinoderms：棘皮動物類
ECHINODERMATA 棘皮動物門 | echinoderms 棘皮動物類 | ECHINOIDEA 海膽綱