tag:blogger.com,1999:blog-6673091514910383162.post716253891488227941..comments2022-06-27T22:55:09.261+03:00Comments on Winoblog: Hera Karayannihttp://www.blogger.com/profile/03562209355698786356noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6673091514910383162.post-80029618006588142382017-06-26T17:33:35.644+03:002017-06-26T17:33:35.644+03:00"...aerobic organisms of the column, like sea..."...aerobic organisms of the column, like seaweeds from the San Pedro´s River, have moved to the top of the column looking for light"<br /><br />If the whole column is exposed to the light, why should aerobic organisms move to the top? Also, where were they and they had to move?<br /><br />What produces the black colour and which organisms produce the purple at the bottom of the column?Anonymoushttps://www.blogger.com/profile/16671538935478091986noreply@blogger.com