지구 A 2모둠(선캄브리아 시대의 환경과 생물) by 20401김연우 https://padlet.com/202120401/n8kh5bqxawox7d01 선캄브리아시대 en-us 2021-05-20 00:28:47 UTC 2025-09-24 11:14:50 UTC hello@padlet.com https://padlet.net/icons/png/1f436.png 스트로마톨라이트 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541795333 2021-05-20 00:34:02 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541795333 최초의 생명체 바다에서 탄생한 이유 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541795596 강한 자외선이 지표에 도달하여 육지에는 생명체가 살수 없었음으로 최초의 생명체는 바다에서 탄생했다.
약38억년전에 단세포 원핵생물이 탄생했고 이후 남세균의 광합성으로 인해 공기중 산소가 증가하고 선캄브리아시대 이후 다세포 생물이 출연하였다]]> 2021-05-20 00:34:08 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541795596 대기 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541796789 2021-05-20 00:34:24 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541796789 기후 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541797076 2021-05-20 00:34:29 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541797076 에디아카라 동물군 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541811712 2021-05-20 00:39:50 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541811712 202120515 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541934027 2021-05-20 01:22:45 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541934027 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541934947 2021-05-20 01:23:06 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541934947 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541943646 2021-05-20 01:26:07 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541943646 202120401 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541960318 이 사진은 어떤 관련이 있는 건가??]]> 2021-05-20 01:32:13 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1541960318 202120321 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1542011471 2021-05-20 01:49:10 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1542011471 202120321 https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1542079129 2021-05-20 02:14:48 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1542079129 승준아~ 내용을 좀 더 간략하게 요약하면 좋겠고. 스트로마톨라이트의 중요한 점은 광합성을 하는 남세균의 화석이라는 거지. 광합성을 선캄브리아 시대부터 했다는 거, 그래서 산소를 만들어내고 있었다는 거~ paidservice https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1553065952 2021-05-24 08:29:56 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1553065952 명우야^^ 에디아카라 동물군은 선캄브리아 시대에 발견된 얼마 안되는 화석이라는 의미가 중요한 거지. 많이 요약해주면 좋겠다. 간단하게~ paidservice https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1553068645 2021-05-24 08:31:36 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1553068645 윤호가 작성한 건가??? paidservice https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1555602500 2021-05-24 23:41:53 UTC https://padlet.com/202120401/n8kh5bqxawox7d01/wish/1555602500