Welcome Guest [Log In] [Register]
Speculative biology is simultaneously a science and form of art in which one speculates on the possibilities of life and evolution. What could the world look like if dinosaurs had never gone extinct? What could alien lifeforms look like? What kinds of plants and animals might exist in the far future? These questions and more are tackled by speculative biologists, and the Speculative Evolution welcomes all relevant ideas, inquiries, and world-building projects alike. With a member base comprising users from across the world, our community is the largest and longest-running place of gathering for speculative biologists on the web.

While unregistered users are able to browse the forum on a basic level, registering an account provides additional forum access not visible to guests as well as the ability to join in discussions and contribute yourself! Registration is free and instantaneous.

Join our community today!

Username:   Password:
Add Reply
Radially symmetric life; Radially symmetric land life
Topic Started: Jun 27 2009, 02:33 PM (2,098 Views)
T.Neo
Member Avatar
Translunar injection: TLI
 *  *  *  *  *  *  *  *  *  *
If axisymmetric life was dominant on land, what would it look like? Where would it have eyes, mouths and excretory organs?
Would it/could it ever evolve flying forms?

Just a thought. I'm beginning to think I wonder about this stuff too much. :P
A hard mathematical figure provides a sort of enlightenment to one's understanding of an idea that is never matched by mere guesswork.
Offline Profile Quote Post Goto Top
 
Replies:
ATEK Azul
Member Avatar
Transhuman
 *  *  *  *  *  *  *  *
Interesting I would love to develope something simular in one of my projects though I would make it much different inorder to not copy your idea.
I am dyslexic, please ignore the typo's!
Offline Profile Quote Post Goto Top
 
Spinosaurus Rex
Member Avatar
Apex
 *  *  *  *  *  *
Perhaps the open system evolves into a complex respiratory aparatus which would eliminate the need for large, vulnerable lungs. They could "breathe" through... whatever they respirate through, then the air could be moved through a closed circulatory system through open oxygen sinuses, which do not support the creature, but oxygenate blood at "checkpoints" or all through out the body.

Out there, isn't it?
The Dreaded AOL Dial-Up has left me afraid to spend more than 5 minutes posting at risk of losing it all. Arghhh.

Posted Image
Offline Profile Quote Post Goto Top
 
ATEK Azul
Member Avatar
Transhuman
 *  *  *  *  *  *  *  *
I am not sure it is out their but I doubt it could support the body unless the sinuses are pressurised in a way where air is absorbed into them through the skin faster than it is absorbed into the blood their by pressurizing it maybe?
I am dyslexic, please ignore the typo's!
Offline Profile Quote Post Goto Top
 
Spinosaurus Rex
Member Avatar
Apex
 *  *  *  *  *  *
Oh, no, it uh, doesn't actually support the creature. THe oxygen from breathing moves through the bloodstream into multiple sinuses, which are small and oxygenate blood as it passes. It'll still need a skeleton and muscles, it just won't need two large, vulnerable lungs.
The Dreaded AOL Dial-Up has left me afraid to spend more than 5 minutes posting at risk of losing it all. Arghhh.

Posted Image
Offline Profile Quote Post Goto Top
 
Empyreon
Member Avatar
Are you plausible?

For another example of radially symmetrical flight, take a look at this:

http://www.youtube.com/watch?v=F_citFkSNtk&eurl=http%3A%2F%2Fflyingoutofthisworld.blogspot.com%2F&feature=player_embedded
Take a look at my exobiology subforum of the planet Nereus!

COM Contributions


food for thought
Offline Profile Quote Post Goto Top
 
ATEK Azul
Member Avatar
Transhuman
 *  *  *  *  *  *  *  *
That is very interesting a jellycraft lol.
I am dyslexic, please ignore the typo's!
Offline Profile Quote Post Goto Top
 
T.Neo
Member Avatar
Translunar injection: TLI
 *  *  *  *  *  *  *  *  *  *
Perhaps even blood filled hydraulic muscles?
A hard mathematical figure provides a sort of enlightenment to one's understanding of an idea that is never matched by mere guesswork.
Offline Profile Quote Post Goto Top
 
ATEK Azul
Member Avatar
Transhuman
 *  *  *  *  *  *  *  *
that could work as both a mucle and a circulatory system.
I am dyslexic, please ignore the typo's!
Offline Profile Quote Post Goto Top
 
ashwinder
Member Avatar
Adolescent
 *  *  *  *  *
Just thinking: Our planet we have bilateral and radial symmetry, are there any other bodyplans that extraterrestrials could explore?
Edited by ashwinder, Jul 2 2009, 07:31 PM.
Offline Profile Quote Post Goto Top
 
Scrublord
Member Avatar
Father Pellegrini
 *  *  *  *  *  *  *  *  *
I've actually created a whole planet full of radially symmetric life forms, which you might know as Valhalla. On Valhalla, there are flying creatures that evolved from the radially symmetric "vertebrates", however they have secondarily adopted a bilateral body plan with four limbs modified as wings and the fifth serving as a hook for hanging upside-down. I call them Quadripterans. Check them out on the Valhalla thread!
My Projects:
The Neozoic Redux
Valhalla--Take Three!
The Big One



Deviantart Account: http://elsqiubbonator.deviantart.com

In the end, the best advice I could give you would be to do your project in a way that feels natural to you, rather than trying to imitate some geek with a laptop in Colorado.
--Heteromorph
Offline Profile Quote Post Goto Top
 
CarrionTrooper
Member Avatar
I require more vespene gas?!?
 *  *  *  *  *
ashwinder
Jul 2 2009, 07:31 PM
Just thinking: Our planet we have bilateral and radial symmetry, are there any other bodyplans that extraterrestrials could explore?
Biradial body plan? Think of augerlike shapes which rotate around each other...
Offline Profile Quote Post Goto Top
 
ATEK Azul
Member Avatar
Transhuman
 *  *  *  *  *  *  *  *
A biradial life form would be awsome to design!
I am dyslexic, please ignore the typo's!
Offline Profile Quote Post Goto Top
 
T.Neo
Member Avatar
Translunar injection: TLI
 *  *  *  *  *  *  *  *  *  *
It surely would.
What exactly is biradial symmetry? Are there any examples?

Could such life evolve land-living macrofauna?
A hard mathematical figure provides a sort of enlightenment to one's understanding of an idea that is never matched by mere guesswork.
Offline Profile Quote Post Goto Top
 
ATEK Azul
Member Avatar
Transhuman
 *  *  *  *  *  *  *  *
I think that biradialy symetrical life would be like 2 circles stuck together.
I am dyslexic, please ignore the typo's!
Offline Profile Quote Post Goto Top
 
CarrionTrooper
Member Avatar
I require more vespene gas?!?
 *  *  *  *  *
I don't think biradial symmetry has any example... it's just a what-if based on the spiral shape of the DNA.

...Maybe something like drills or augers, but in a pair, and one moves clockwise while the other moves counterclockwise... could be perfect for digging organisms.
Offline Profile Quote Post Goto Top
 
1 user reading this topic (1 Guest and 0 Anonymous)
Go to Next Page
« Previous Topic · The Habitable Zone · Next Topic »
Add Reply