December 17, 2016
This entry was posted on December 17, 2016 by Linda Grashoff. It was filed under Plants, Stones and Rocks and was tagged with Deer Isle, Maine, nature, photography, seaweed.
This series is looking very “cosmic” to me. (In a good way!)
December 17, 2016 at 8:32 AM
Wow. Really? Thank you, Ken.
December 18, 2016 at 4:46 PM
Rapunzel-weed? 😉 I like it!
December 17, 2016 at 11:12 AM
Ah, yes, So it is! Thanks for the description, Lynn.
December 18, 2016 at 4:47 PM
Do you know what species of (brown?) algae these are?
December 17, 2016 at 4:30 PM
How about Ascophyllum, Nannus? Look at the Wikipedia entry at https://en.wikipedia.org/wiki/Ascophyllum. I have to tell you the truth. I didn’t even know that seaweeds were algae. I just now Googled seaweed and found out. Thank you!
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December 18, 2016 at 4:54 PM
That seems to fit. What I find interesting is that they belong into the SAR supergroup (see the classification in the Wikipedia article) that was recently established on the basis of genetic sequencing. So they are more closely related to amoebas and cilliates than to other plants. It looks like they developed multi-cellularity independently.
I think the term seaweed is also used for some other plants, like sea grasses, but I don’t know for sure (I am not a native speaker of English).
December 19, 2016 at 12:58 AM
Well, I am a native speaker of English, but I don’t use it as well as you usually do! Looking up “seagrass” in Wikipedia, I found the warning that seagrass is “Not to be confused with seaweed, plant-like algae.” Thanks for pointing out that these kelp plants are more closely related to amoebas and ciliates than to other plants,” Nannus. That’s fun, isn’t it.
December 19, 2016 at 3:04 PM
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For more information about the iron bacteria, including Leptothrix discophora, click on this image of the book They Breathe Iron: Artistic and Scientific Encounters with an Ancient Life Form.
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