0:00:17.836,0:00:19.530 (海洋嘅故事) 0:00:20.490,0:00:23.813 (海膽嘅歷程︰同浮游生物交配) 0:00:26.070,0:00:28.530 我對你嚟講應該好奇怪 0:00:28.530,0:00:31.015 我全身都係針 0:00:31.015,0:00:32.645 仲要我冇面 0:00:35.111,0:00:37.983 但我已經經歷過好多種形態 0:00:39.429,0:00:45.052 我就好似你咁,一開始都係一個卵子 0:00:46.216,0:00:48.330 我父母從來唔知對方係邊個 0:00:48.330,0:00:50.840 喺暴風雨前嘅一個月光皎潔嘅晚上 0:00:50.840,0:00:53.920 成千上萬嘅海膽、蛤蜊同珊瑚 0:00:53.920,0:00:57.280 喺海裏面釋放出上億嘅精子同卵子 0:01:08.795,0:01:11.738 我爸爸嘅精子遇到我媽媽嘅卵子 0:01:11.738,0:01:13.096 然後佢哋結合 0:01:15.662,0:01:17.000 就係受精作用 0:01:17.524,0:01:21.107 我喺一瞬間成為咗一粒灰塵咁大嘅胚胎 0:01:22.077,0:01:24.076 漂泊幾個鐘之後 0:01:24.076,0:01:25.706 我分裂成兩個細胞 0:01:25.706,0:01:27.000 然後四個細胞 0:01:27.000,0:01:28.654 然後再八個細胞 0:01:28.654,0:01:31.194 一直分裂落去,多到數唔曬! 0:01:32.304,0:01:36.370 一日之內我生咗腸道同骨架 0:01:36.894,0:01:41.100 我變成咗一個好似飛船物體嘅長腕幼蟲 0:01:42.737,0:01:44.952 我喺浮游生物當中漂浮 0:01:44.952,0:01:47.205 搵超細嘅藻類食 0:01:50.186,0:01:55.237 有好幾個星期我被各種幼蟲圍著 0:01:57.956,0:02:00.800 呢啲幼蟲同佢哋長大之後嘅形貌好唔同 0:02:00.800,0:02:02.515 生物學家要花好多時間[br] 0:02:02.515,0:02:04.785 先至可以辨別佢哋 0:02:11.352,0:02:14.840 你嘗試下搵出幼蟲嘅父母係邊個? 0:02:16.292,0:02:20.010 呢隻緣膜幼蟲會變成海螺 0:02:20.010,0:02:23.490 呢隻幼蟲會變成海蟹 0:02:23.490,0:02:27.080 呢個實囊幼蟲會變成水母 0:02:29.507,0:02:31.823 有啲同我同年紀嘅朋友 0:02:31.823,0:02:33.763 比較容易睇得到係成熟 0:02:34.753,0:02:37.718 呢啲水母寶寶亦都叫海蜇苗 0:02:37.718,0:02:41.533 已經同佢哋父母一樣咁靚又毒 0:02:42.584,0:02:43.940 喺浮游生物界 0:02:43.940,0:02:47.615 將基因傳到下一代嘅方法唔止一種 0:02:50.676,0:02:54.590 大多數水母體有特別嘅息肉構造 0:02:54.590,0:02:58.273 令佢哋可以經由無性繁殖繁衍下一代 0:02:59.802,0:03:01.477 被囊動物亦都差唔多 0:03:01.815,0:03:03.467 當食物充足嘅時候 0:03:03.467,0:03:06.647 佢哋會複製自己成長鏈狀 0:03:09.153,0:03:12.790 浮游生物嘅交配令人驚奇 0:03:14.500,0:03:16.683 睇下呢啲雌雄同體嘅生物 0:03:18.320,0:03:20.370 櫛水母同箭蟲同時 0:03:20.370,0:03:23.440 製造、儲存同釋放精同卵子 0:03:24.855,0:03:28.550 佢哋可以令自己[br]或者其他個體嘅卵子受精 0:03:32.083,0:03:34.010 當你喺汪洋裏面漂浮 0:03:34.010,0:03:36.952 唔知會遇到邊個時 0:03:36.952,0:03:40.036 雌雄同體可以令你同時做兩個角色 0:03:41.905,0:03:43.505 呢度大多數嘅物種 0:03:43.505,0:03:48.056 唔會建立或者維持長久嘅親子關係 0:03:49.256,0:03:51.293 呢個亦都係我父母用嘅策略 0:03:53.421,0:03:56.030 我哋長腕幼蟲嘅數量龐大 0:03:56.030,0:03:57.488 當其他人被獵食時 0:03:57.488,0:04:00.278 我就藏身喺一大班人裏面自保 0:04:03.365,0:04:07.197 唔係所有父母由得仔女自生自滅 0:04:08.009,0:04:10.000 有啲物種仔女比較少 0:04:10.000,0:04:12.276 但對仔女嘅照顧亦都多咗 0:04:12.276,0:04:14.306 佢哋會花幾日,甚至幾個月 0:04:14.306,0:04:15.966 孵化佢哋嘅寶貝 0:04:17.676,0:04:19.000 呢種敏捷嘅橈足動物 0:04:19.000,0:04:22.131 將佢美麗嘅卵,藏喺嘴入邊幾日 0:04:23.667,0:04:27.075 呢類甲殼動物將佢嘅寶寶擺喺胸裏邊 0:04:27.075,0:04:30.220 然後小心咁將佢哋[br]放喺身體嘅膠狀圓筒入邊 0:04:38.140,0:04:41.000 但黑眼魷魚喺呢方面最犀利 0:04:41.000,0:04:45.353 佢將寶寶呵護喺觸手裏面長達九個月 0:04:45.353,0:04:48.830 同人類懷孕周期一樣長 0:04:52.661,0:04:55.130 但最終呢啲細路都係要 0:04:55.130,0:04:58.020 離開父母,行自己嘅路 0:05:00.412,0:05:03.338 有啲就一世用浮游生物嘅形態生活 0:05:03.748,0:05:07.005 有啲就同我一樣身體轉化 0:05:10.369,0:05:12.661 當我成為胚胎嘅幾個星期之後 0:05:12.661,0:05:18.639 我決定轉化為一隻海膽 0:05:22.517,0:05:24.652 我嘅故事就係咁嘞 0:05:25.472,0:05:28.984 我可能只係一個動作慢嘅、有刺嘅波 0:05:28.984,0:05:32.979 但唔好俾我冷靜、成熟嘅外表呃咗 0:05:35.049,0:05:37.223 我曾經係游嚟游去嘅太空飛船 0:05:37.973,0:05:39.903 我曾經係個狂野嘅細路