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Q&A

Posts tagged xenobiology

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Q&A Wings for orbital transfer bioships? - The ascent

I've been looking at the altitude boosted SSTO designs from the 90s that were designed to be lifted to launch altitude by modified jetliners and thinking about bumblebees and wondering if bioships ...

2 answers  ·  posted 5y ago by Ash‭  ·  last activity 5y ago by Ash‭

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Q&A Odd-Toed Ungulates

I'm creating a large ungulate that is likely a part of the suborder Anclyopoda. Suspension of disbelief is expected, but there's a detail with the current design that's really bugging me. The cre...

2 answers  ·  posted 5y ago by Wilko‭  ·  last activity 5y ago by Wilko‭

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Q&A Order of Limb Pair Types for Amphibious Creature (Hexanewt)

I need to add a bit of descriptive detail on a species from a brief description. Essentially add a bit of finer detail to someone else's broad-strokes worldbuilding. An amphibious species' body lay...

2 answers  ·  posted 5y ago by vicky_molokh‭  ·  last activity 5y ago by vicky_molokh‭

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Q&A For what reasons would an animal species NOT cross a *horizontal* land bridge?

In my worldbuilding project, 2 continents located on roughly the same latitude are connected by a land bridge. Both sides of the bridge are surrounded by a temperate grassland, and the lack of seas...

17 answers  ·  posted 5y ago by Foosic17‭  ·  last activity 5y ago by Foosic17‭

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Q&A Is it possible for a creature to exist that uses lye instead of acid to digest food?

As far as I could gather the digestion relies on enzymes which in turn set requirements for pH. Is it possible for an alien creature to have a different set of enzymes that require basic environme...

2 answers  ·  posted 5y ago by MadCake - Reinstate Monica‭  ·  last activity 5y ago by MadCake - Reinstate Monica‭

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Q&A Which hydrogen halide to have in blood to replace water?

So I want to have an alien creature on a planet with a halogen atmosphere. It will have to be at a temperature where the hydrogen halide is liquid or solid. This hydrogen halide I would have as th...

2 answers  ·  posted 5y ago by Caters‭  ·  last activity 5y ago by Caters‭

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Q&A Is the evolution of my aliens realistic?

So, I have thought about the evolution of my aliens and how they could evolve things like lactation but still retain their reptilian characteristics. Here is my best thought about it so far: Evol...

4 answers  ·  posted 5y ago by Caters‭  ·  last activity 5y ago by Caters‭

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Q&A Is there an evolutionary advantage to having two heads?

This is a classic of fantasy/sci-fi stories. A creature with two heads, two brains, two distinct personalities, sharing a single body. An entire race of Siamese twins. But the question is, what env...

12 answers  ·  posted 5y ago by Cobbington‭  ·  last activity 5y ago by Cobbington‭

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Q&A Non-aqueous eyes?

I am trying to create an organism that can survive in space for short periods, but I realized that I can't have its eyes be similar to those of most animals and humans because they would boil in sp...

10 answers  ·  posted 5y ago by Efialtes‭  ·  last activity 5y ago by Efialtes‭

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Q&A Traversal of creatures in space (hydrogen metabolistic processes)

For a space-based story I am writing, I was hypothesising about how to have organisms that can thrive the vacuum of space. Ignoring plausibility of such a creature evolving, I realised a few probl...

1 answer  ·  posted 5y ago by bio‭  ·  last activity 5y ago by bio‭

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Q&A Elf-like race: What could prevent overpopulation?

For an elf-like race whose people do not age beyond physical maturity (the accumulated DNA damage associated with aging does not occur), what would prevent overpopulation? This elf-like race is f...

25 answers  ·  posted 5y ago by JustSnilloc‭  ·  last activity 5y ago by JustSnilloc‭

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Q&A What kind of environment would favor hermaphroditism in a sentient species over regular, old sexes?

I'm trying to create alien species that is hermaphroditic, with strong sexual conflict. In essence each being tries to trick or force (by mechanical or hormonal means) its partner to take role of f...

6 answers  ·  posted 5y ago by Zjerzy‭  ·  last activity 5y ago by Zjerzy‭

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Q&A What sort of qualities might a tortoise-like animal the size of an argentinosaurus need to support its own body?

I am wondering what kind of physical qualities (E.g. Short, thick pillar-like legs) a creature such as this would need to support such an incredible size. The world that it evolves on in almost ide...

4 answers  ·  posted 5y ago by MintySoftboi‭  ·  last activity 5y ago by MintySoftboi‭

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Q&A Could a tree build its bark out of Starlite-like material?

How could trees in an environment with 23% Oxygen (The atmosphere is identical to earth in all other respects.) grow bark with Starlite-like qualities? Starlite is a material claimed to be abl...

4 answers  ·  posted 5y ago by MintySoftboi‭  ·  last activity 5y ago by MintySoftboi‭

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Q&A If quadruped mammals evolve to become bipedal will their breast or nipple change position?

As the title says, you know stuff like minotaur, lycanth or werewolf, cat or dog folk, etc especially for the female specimens. I want to know what happen if quadrupedal mammals which usually have...

4 answers  ·  posted 5y ago by Li Jun‭  ·  last activity 5y ago by Li Jun‭

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Q&A Fireproof liquids that are non-toxic to carbon based life?

What sort of fireproof liquid could be used by carbon-based life without causing harm to the organism? Whether it be absorbed from exterior sources or produced in the organism's body. I say organis...

3 answers  ·  posted 5y ago by MintySoftboi‭  ·  last activity 5y ago by MintySoftboi‭

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Q&A Could a passive radar-sighted creature see by space radio emissions?

I am working on a world which is very dark due to an opaque gas layer in the hight atmosphere; but it is opaque mostly in the terahertz range. The creatures in this world therefore rely very little...

1 answer  ·  posted 5y ago by Renan‭  ·  last activity 5y ago by Renan‭

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Q&A What sort of hip bone is required for quadrupedal animals to locomote on their hind legs?

I am designing a creature that is quadrupedal but can run after prey on its hind legs. What kind of hip bone would allow for the excess stress to be put on it during bipedal locomotion? The animal ...

4 answers  ·  posted 5y ago by MintySoftboi‭  ·  last activity 5y ago by MintySoftboi‭

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Q&A Feasibility of lava beings?

Could a creature be made entirely, or mostly of magma or lava? Could it sustainably live in or near a volcano for an extended period of time? Rocks around the outside are optional, and encouraged. ...

4 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A What minerals that are more durable than calcium would be suitable for bones?

Edit: I am asking in the context of alien life, should have specifyed that to begin with. I have many ideas for fantasy/sci fi races, and one that I kept coming back to is a species with bones th...

5 answers  ·  posted 5y ago by Snydwell‭  ·  last activity 5y ago by Snydwell‭

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Q&A Feasibility of Thermoelectric Metabolism

Larry Niven's "Known Universe" (KU) features "The Outsiders" as one of its most prominent alien races. As per KU canon, the Outsiders evolved in a frigid moon (similar to Nereida) and they sustai...

1 answer  ·  posted 5y ago by luis.espinal‭  ·  last activity 5y ago by luis.espinal‭

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Q&A Would an alien lifeform be able to achieve space travel if lacking in vision?

Think of this alien life form as something resembling earth bats, placed in a planet with Earth-like conditions. Micro-bats have small and poorly developed eyes. Similarly, this alien species is ...

14 answers  ·  posted 5y ago by Liam00‭  ·  last activity 5y ago by Liam00‭

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Q&A Can a possible humanoid species capable of changing their sex in a crisis be the dominant species of an entire planet like us?

I had an idea of a concept a while ago. If a planet that for some reason or another had only one giant continent like Pangea, but bigger, for more distinct habitats and giant lakes assuring isola...

1 answer  ·  posted 5y ago by Erick Silveira‭  ·  last activity 5y ago by Erick Silveira‭

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Q&A Could an entirely (or mostly) hydraulic muscular system work in terrestrial vertebrates?

In Invertebrates, Muscular Hydrostat, which is a form of biological hydraulic, is used for locomotion. On Earth, (as far as I'm aware) no system exists where hydraulics perform in conjunction with ...

1 answer  ·  posted 5y ago by Foosic17‭  ·  last activity 5y ago by Foosic17‭

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Q&A Humanoids with digitigrade legs?

I've designed an alien race of bipedal humanoids with digitigrade legs. This race's advanced scientific progress means that they use traditionally human-associated technology, or similar (such as ...

5 answers  ·  posted 8y ago by XenoDwarf‭  ·  last activity 5y ago by XenoDwarf‭

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Q&A Biological touch based high bandwidth communication

My alien race is supposed to have the ability to communicate a lot of information extremely fast, more akin to uploading something to your partner's mind than telling him. This should happen via si...

3 answers  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A Other Mouthparts For Aliens?

What other kind of mouthparts might an alien (intelligent or non-intelligent) have besides the typical jaw with teeth or mandibles? To avoid being too broad a subject, let's assume the aliens need...

3 answers  ·  posted 5y ago by The Imperial‭  ·  last activity 5y ago by The Imperial‭

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Q&A Radiation shielding in the blood?

I wanted a creature that produces something in its blood to protect itself from SEP (solar energetic particles) and GCR (galactic cosmic rays). The skin of the creature is normally sufficient prote...

6 answers  ·  posted 6y ago by Johnny‭  ·  last activity 5y ago by Johnny‭

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Q&A Plausibility of this Zoonotic(inter-species) Reproduction Method

I've answered a few questions with this process but I wanted to see if I could bounce/refine this off the communities more biologically adept members. Basically, it goes like so: As a means o...

3 answers  ·  posted 6y ago by anon‭  ·  last activity 5y ago by anon‭

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Q&A How to design an organic heat-shield?

When they started dropping from the skies.. or no, they landed. They were so similar to us, yet so different. Like nothing we would've ever designed or created - but so much like everything Ey...

7 answers  ·  posted 5y ago by dot_Sp0T‭  ·  last activity 5y ago by dot_Sp0T‭

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Q&A Can you create a living vehicle fueled by organic material?

In this world, the vehicles are effectively re-engineered insects; enlarged bio-manufactured nervous systems used instead of engines; factory grown lightweight chassis / [wheels]. The fuel station ...

4 answers  ·  posted 5y ago by Aloysius Anise‭  ·  last activity 5y ago by Aloysius Anise‭

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Q&A What would Define Ecosystems in a "Frozen Moon with Ocean" World

What factors would influence ecosystem development in an ocean on an ice world? It is thought that several moons in our solar system (e.g. Europa) may have significant oceans under their icy crust...

2 answers  ·  posted 5y ago by codeMonkey‭  ·  last activity 5y ago by codeMonkey‭

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Q&A Life without Nitrogen

On Earth life has six fundamental building blocks for life with them being Hydrogen, Carbon, Nitrogen, Oxygen, Phosphorus, and Sulfur. (1) Those elements of help make up more complex life through a...

2 answers  ·  posted 6y ago by Ferret Civilization‭  ·  last activity 5y ago by Ferret Civilization‭

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Q&A How do Glass Ants create their tunnels?

***** Xenobiology expedition 'Profundity': Log entry 504 ***** Glass Ants are a fascinating species. We discovered them on an arid desert world last visited by humanity aeons ago. They seem to h...

10 answers  ·  posted 7y ago by Joe Bloggs‭  ·  last activity 5y ago by Joe Bloggs‭

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Q&A Origin of life on a waterworld

Take a planet like Gliese 1214 B, which has no land, an ocean 100s of kilometres deep and a seabed of Ice VII. For the purposes of the question, let's assume that the pressure and/or temperature ne...

1 answer  ·  posted 5y ago by SealBoi‭  ·  last activity 5y ago by SealBoi‭

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Q&A Evolution adapted to technology

...kill every protohuman who tries to leave the African continent. This comment made me think about one question. Suppose you have robot guards, like futuristic lasers, who just shoot at any ...

2 answers  ·  posted 5y ago by Malkev‭  ·  last activity 5y ago by Malkev‭

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Q&A Would human-avian hybrids be able to preen themselves with just their hands?

My winged people just have feathers on their wings, and maybe small feathers on their back between their wings (from shoulder blades to mid back). Their bodies look generally human. Here is a lin...

3 answers  ·  posted 6y ago by Nadeshka‭  ·  last activity 5y ago by Nadeshka‭

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Q&A How do mermaids' ears work?

Whales and dolphins surely do not have ears similar to ours and yet they can pick up ultrasound underwater without fear of water pressure damaging the eardrum. Any idea how the mermaids with ears l...

2 answers  ·  posted 8y ago by user6760‭  ·  last activity 5y ago by user6760‭

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Q&A Speaking three sentences at the same time?

TL;DR - I want my angelic race to have the ability to speak in a way in which up to three sentences are communicated at the same time. (Assume English for the sake of simplicity. I want physiolo...

4 answers  ·  posted 5y ago by Sora Tamashii‭  ·  last activity 5y ago by Sora Tamashii‭

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Q&A Dwarfism in a 9 foot tall humanoid race

My story has a race exactly like humans, except they grow to be on average 9 feet tall. One of characters belongs to this race, but she is considered a dwarf to her people. This causes her to live ...

6 answers  ·  posted 5y ago by MANIAC‭  ·  last activity 5y ago by MANIAC‭

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Q&A Determining factor(s) for making creatures robust to square cubed law

Premise and research I am simply trying to find a reproducible framework for use with creature-design. In my research I have found the larger an animal is, the more likely that animal is to break ...

1 answer  ·  posted 5y ago by Arash Howaida‭  ·  last activity 5y ago by Arash Howaida‭

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Q&A How fast could a large creature feasibly grow and how much would it need to eat?

A creature in my story was largely inspired by the xenomorphs of the Alien franchise. In wondering how long it would take one of these creatures to grow from conception to maturity, I decided to lo...

1 answer  ·  posted 5y ago by Automatic Utopian‭  ·  last activity 5y ago by Automatic Utopian‭

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Q&A What would a planet with little to no greenhouse gases be like?

Say if a planet had either no greenhouse gases or a small percentage of a certain greenhouse gas (roughly 5% or less) in its atmosphere, but all other elements in the atmosphere could support life....

2 answers  ·  posted 7y ago by Twig‭  ·  last activity 5y ago by Twig‭

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Q&A Life on a gas giant?

I know of the conceptualized "Sinkers", "Floaters" and "Hunters" that Carl Sagan and Edwin Salpeter of Cornell conceived of - as possible life forms that might inhabit a gas giant. At the time they...

3 answers  ·  posted 5y ago by GRF‭  ·  last activity 5y ago by GRF‭

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Q&A How similar should we expect alien molecular biology to be to that on Earth?

I am working out a future scenario in which humans begin to discover alien life; I want their discoveries to be plausible. For example, I've frequently heard that alien life will most likely be ca...

4 answers  ·  posted 6y ago by Kronimiciad‭  ·  last activity 5y ago by Kronimiciad‭

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Q&A Is this reptilian race realistic?

Well, I have been having computer problems and I decided that now is as good a time as ever to continue to waste my time developing my reptilian, honor-obsessed militaristic race of lizards for a p...

3 answers  ·  posted 8y ago by JDSweetBeat‭  ·  last activity 5y ago by JDSweetBeat‭

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Q&A Designing a planet that would have the greatest chance of developing silicon based life

What conditions might make a planet more likely to develop silion based life, the factors I need to kmow are listed below Temperature of the planet The solvent that they can use in their biology ...

4 answers  ·  posted 7y ago by Stephanie‭  ·  last activity 5y ago by Stephanie‭

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Q&A Why would a species require multiple inseminations in order to reproduce?

The Eldar are a psychic species with a similar body design to humanity within a galaxy-wide empire. They are far more advanced than other races, technologically and philosophically. Eldar have a st...

5 answers  ·  posted 5y ago by Incognito‭  ·  last activity 5y ago by Incognito‭

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Q&A Best place on an humanoid body to develop biological radio?

As seen on others questions biological radio could be a thing. How to evolve biological radios? What would a species require to be able to inherently transmit and receive radio waves? I was inte...

5 answers  ·  posted 5y ago by hcocox‭  ·  last activity 5y ago by hcocox‭

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Q&A Plausible reasons for multiple hot seasons in one solar year

Setup: A planet generally with an earthlike climate, although slightly wetter and warmer as a general rule, with a little more oxygen in the atmosphere, but habitable by unmodified humans. Still h...

10 answers  ·  posted 5y ago by dwllama‭  ·  last activity 5y ago by dwllama‭