Comic Strips

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Comic Strips is a community for those who love comic stories.

The rules are simple:

The post can be a single image, an image gallery, or a link to a specific comic hosted on another site (the author's website, for instance).
The comic must be a complete story.
If it is an external link, it must be to a specific story, not to the root of the site.
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"Evolution" by Sarah Andersen (lemm.ee)

submitted 7 months ago by [email protected] to c/comicstrips

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[–] [email protected] 11 points 7 months ago (1 children)

I wonder if it's different blood base makes it less susceptible to dna mutations ?

[–] LeadEyes 13 points 7 months ago* (last edited 7 months ago) (1 children)

What it really meant when people talk about living fossils etc is that the morphology of the creature has changed very little. Genetically and on a cellular level there would definitely be a lot of changes from their earlier forms millions of years ago. DNA just doesn't stick around for more than a couple hundred thousand years maximum it seems so it's difficult for us to chart those changes that aren't visible in morphology. Creatures that seem to not change drastically in such long scale time usually have niches and environments that haven't changed drastically in their existence.

[–] Beryl 6 points 7 months ago

Well put. Although on the outside, a creature may seem not to have changed in any recognizable way, mutations nevertheless accumulated in its DNA with each generation. That's why we probably should avoid to use the term living fossil.