Questions tagged [species]

For questions about specific groups of living organisms that are similar enough to interbreed successfully.

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2 answers
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Would humans crossbreeding with animal people cause more birth defects? [closed]

I am working on a world inspired by witcher where humans and animal like race live together. would for example, human crossbreeding with water dwelling humanoid cause something like mermaid syndrome? ...
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-1 votes
6 answers
233 views

Could a species of Obligate Carnivores achieve sapience?

So I had this idea for a sort of Speculative Evolution/sci-fi project where humanity(known as the Founders) found no life beyond their solar system and decided to terra-form various planets with life ...
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-7 votes
1 answer
87 views

Which factors determine the political system of the various species from the Homo genus? [closed]

In my universe, there are sixteen species from the Homo genus: anatomically modern humans, marine humans (merfolk), winged humans (angels), demons, ogres, giants, dwarfs, elves, orcs, gnomes, trolls, ...
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25 votes
9 answers
4k views

Why would animal people wear clothes?

In my world, there are anthromorphic animal people, similar to the ones in Skyrim. There are many types, so I will just call them all this. Due to them having fur, most specifically the cat people and ...
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  • 857
10 votes
8 answers
1k views

What environments/pressures would incentivise/select hunting in pairs?

I'm trying to chart the roadmap of the evolution of a variety of fictional amphibian creatures which hunts in pairs. But, I don't know of many inspirations in nature where animals hunt in pairs. What ...
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0 votes
1 answer
94 views

What would a language spoken by a tortoise-like sapient species sound like? [closed]

In my world, there is a species of massive bipedal (with a hunchbacked gait because of their shell) turtles with human-level intelligence (I do not mean humans with profound intellectual disability ...
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6 votes
6 answers
341 views

How could human-like intelligence evolve in a nonsocial, non-carnivorous species? [closed]

It seems like two potential motivations behind human ancestors' evolution of intelligence were their complex social groups and behaviors, and hunting behavior requiring more strategic thinking in ...
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0 votes
1 answer
178 views

Can life be diverse if they had evolved from different or multiple ''basic'' body plans or multiple ancestors?

Okay, Okay so I know my fair share of convergent evolution, foster rule etc. now I'm wondering because I have three creatures (a insect like creature a herbivore and carnivore I'll send images they ...
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5 votes
4 answers
382 views

Can a pangea like super continent have diverse life and climates?

In my story, a group of scientific explorers go on a expedition to a planet, and I am not sure if it should be a super continent or multiple continents because of the diverse life there could be on a ...
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5 votes
3 answers
113 views

Disabilities and dealing with them of other natural forms of communication

To humans the normal means of communication is verbal speech, with sign language, written words, braille, etc being used to help those who can't communicate normally. There are those who're only ...
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  • 927
5 votes
1 answer
482 views

What advantages would riding a reindeer have over a horse?

I am currently creating a world in which the group in question is intended to ride reindeer rather than horses. The reasons for this aren't quite relevant, but they simply don't have horses available ...
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2 votes
5 answers
200 views

Could a single species be arbitrarily diverse?

Are there any problems with a single species, in which all fertile members are able to bear fertile offspring with all other fertile members, having extreme amounts of diversity? For example, having ...
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  • 11.7k
5 votes
7 answers
223 views

How to plausibly justify a species growing mineral-based protrusions that resemble horns or spikes?

I'm currently designing a sapient species for a science fantasy setting that's supposed to be a herbivorous, physically resilient, and bulky sort. They currently bear some resemblance to boars or ...
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  • 59
3 votes
1 answer
125 views

What traits would a species have if it eats electricity to survive?

Microscopic or more complex, what do I need to keep in mind to create a species that eats electricity. Like it touches an electronic equipment or battery or cables and sucks in their charge or stored ...
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  • 587
2 votes
1 answer
97 views

Explain the concept of "two haploid eggs fusing to produce a single diploid embryo"

So I'm creating a society that is hermaphroditic (specifically what I really want is a society where there's only one gender and both sexual partners experience pregnancy) so I've been doing research ...
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  • 23
1 vote
1 answer
159 views

Considering a sentient species which is at the physical scale of chemical molecules, what would their higher limit of observation be?

This sentient species survives at the molecular scale and is capable of manipulating their environment by ingesting/ engulfing their environmental molecules and electrodynamically manipulating them ...
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5 votes
1 answer
149 views

Humanoid Species

I am developing a form of humanoid very closely related to humanity, and I am trying to see both what differences are possible, and what the explanation for various features are possible. For example, ...
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  • 734
0 votes
1 answer
143 views

What would rotating ears look like on a humanoid species?

I'm trying to make a biologically accurate, human looking species. Since they can't make many sounds, they also use their ears' positions and rotation to have an advanced vocabulary. So the same sound ...
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  • 353
1 vote
2 answers
226 views

What if aliens recieved a rogue Earth?

Imagine: You are a member of an alien species, uncomparable to most living things on Earth, and living on an arid planet, around country sized oases. During your version of the 1800's your star ...
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20 votes
7 answers
3k views

What kind of ships would an amphibious species build?

To give a bit of background and ground the question in context: I'm concerned with the technology level from prehistory to Renaissance, or thereabouts. Analogous to Earth history, the 'normal' land-...
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6 votes
6 answers
1k views

Could more than one sentient species share one planet? [closed]

You might have heard or seen this one before. I'm imagining a world where you see humans, dragons, shapeshifters, and more living on one planet in harmony. Do you really think it's possible? Can more ...
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6 votes
3 answers
272 views

How would quadrupeds dance?

Yet another odd question. Now, in one of my worlds, I am creating cultures for cats with human intelligence, but this question applies to essentially all quadrupeds. I wanted to introduce dancing into ...
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  • 1,063
31 votes
12 answers
3k views

Universal Language

If I want to have multiple intelligent species (with different languages for each), how can they exchange each other? Some species may not have eyes, legs, hands, ears, ... so is there a way for a &...
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  • 501
2 votes
3 answers
190 views

Wings going from locomotive purposes in juveniles to sexual purposes in adults, plausible?

So I thought about how my dragon-like species would get it's wings between the arms and legs and I figured that this would be the evolutionary path for such a creature: Hexapodal ancestor -> ...
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  • 4,045
8 votes
2 answers
212 views

Is it possible to create a new hybrid species of the homo genus that can produce offspring?

I have read about hybrid speciation: "speciation where hybridization between two different species leads to a new species, reproductively isolated from the parent species". I wanted to know ...
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1 vote
1 answer
244 views

Anatomically Correct Glebsig [closed]

A Glebsig (plural Glebsigi) is an intelligent alien species from the game Stellaris. They look like this: Glebsigi can float in mid-air with their tentacles hanging below. Glebsigi manipulate things ...
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  • 4,100
1 vote
0 answers
190 views

Merfolk Laws And Government [closed]

Recently, I saw this image, and later, this image, which inspired me to think about the culture of merpeople. I've got quite a lot worked out, but I'd appreciate hearing other's ideas. In particular, ...
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1 vote
0 answers
59 views

How would you differentiate between "humanoid" species and animal-like species in terms of names? [closed]

Basically I have multiple humanoid species (like elves, dwarves, etc) that are totally made up, and I also have animal species, like cats and dogs animals. Is there something I could call all my ...
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2 votes
0 answers
93 views

Anyone wanna design some xenosophonts together? [closed]

I’m Campbell and I’m looking to create a science fiction universe. I’m 18, and I’m returning to writing and relearning a lot of things. But I’d love to make some friends and create an alien species ...
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4 votes
3 answers
160 views

How can a creature evolve to have two separate food cycles?

A species of interdimentional predators exist in a separate reality from ours. They pass into different realities through portals which occasionally open up between worlds. Once there, they feed on ...
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  • 38k
5 votes
5 answers
205 views

How do shapeshifters not get sick when copying other gene?

Imagine a certain group of intelligent species evolved the ability to edit their own RNA, manipulating the coding process to make proteins in their bodies. Why RNA you are forced to ask, well it's the ...
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  • 45.9k
8 votes
4 answers
249 views

How does a species with heat cycles deal with over population?

I'm at the very early world building for a potential story where I have a sort of humanoid feline species that I need to have been known as expansionist and/or war-like in the past but not be ...
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  • 31k
7 votes
5 answers
409 views

What Changes Are Needed To Make A Land Vertebrate More Than 100 Tons?

I'm working on a species of fantasy creature based off the mythological Behemoth. It's only constraint is the laws of physics itself. Environment and evolutionary lineage won't be relevant due to the ...
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12 votes
6 answers
5k views

Why haven’t scientists found evidence of humans interbreeding with aliens?

In my alternative universe, Atlantis was a real city that existed, although it wasn’t called Atlantis or founded by humans. Atlantis or rather, Dosham was a city on an isolated landmass in the ...
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3 votes
10 answers
1k views

How can an open area prevent its inhabitants from leaving? [closed]

Long ago, the elven races were embroiled in a civil war called the sundering. This war split the elves into different groups, which eventually became separate races. The elves that remained in their ...
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  • 38k
0 votes
0 answers
53 views

Why would humans evolve pointy ears? [duplicate]

So, I'm creating a world in which there are elves. There is no magic in this world, it's sort of post-apocalyptic. These elves evolved from humans. I'm asking whether or not it's possible for humans ...
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5 votes
4 answers
297 views

How can I increase brain processing capabilities without overloading it?

The human brain is a jackass. Your senses are capable of processing large amounts of information to the senses. However, the brain blocks most of this out of the consciousness in order to allow this ...
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  • 38k
-3 votes
1 answer
120 views

if a bipedal dog were to evolve, what main cultural and behavioral patterns would follow? [closed]

We can see it in most of us humans. Most homininae, including gorillas apes and humans, act generally similar even if we look really different. We laugh in the same way, we stay in families the same ...
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1 vote
2 answers
189 views

What would a society where humans coexist with a second species with the intelligence of an 8 year old look like?

An alternate Earth has two species coexisting in it: Humans and Khnosh (/x'ʔɒʃ/) since the Stone Age. Adult Khnosh have the intelligence of the average 8 year old human but the strength of a human ...
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  • 4,100
4 votes
2 answers
255 views

How long would it take for segregate human populations to speciate to a point where they could not interbreed?

Coming from an earlier asked question, I was wondering how long it would take (potentially a range) for two human populations that are separated from each other to speciate enough that they would no ...
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39 votes
18 answers
15k views

How many generations would it take until the noble and peasant classes become different species and cannot interbreed?

In this world: Technology: medieval, it should fit with real world history, for example: Low life life expectancy due to poor medical technology (vulnerable to disease), warfare, High infant ...
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  • 2,987
15 votes
12 answers
3k views

Habitable Planet with Highly Eliptical Orbit

Would it be possible for life to develop on a planet with a highly elliptical orbit? (Similar to a comet, but possibly less extreme.) If so, what conditions would be necessary and what would the life ...
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  • 1,467
4 votes
2 answers
156 views

Would gestation for tiny humanoids take more or less time?

So I'm working on a species of tiny humanoids. They are about 13cm tall and are not that different from humans apart from their size. Would their gestation period be different, and how much?
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  • 1,025
9 votes
2 answers
2k views

How do wraiths control their bodies?

In my fantasy world, wraiths are a species of shell-less, regressed crustaceans. They lay their eggs inside animal skulls, using them as shells. The wraiths' bodies are incredibly weak and they cannot ...
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  • 2,703
5 votes
2 answers
132 views

anatomy of a head-butting cyclops

In my fantasy setting, cyclopses are large (about the size of a rhinocerus), carnivorous humanoids. They have a single blunt horn on their forehead, which is their primary tool for taking down prey. ...
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  • 2,703
4 votes
3 answers
308 views

Would it be possible for species to become sapient without using tools?

Set in a parallel universe, in a galaxy far far away, an Earth-like planet orbiting a yellow dwarf star with the mass of 1 solar mass. And yes, indeed that planet comes with a natural satellite that ...
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  • 45.9k
7 votes
4 answers
1k views

Dr. Frankenbull's Problem: How To Tell Aurochs From Bison

The mad scientist community is...mad, to put it kiddie-appropriately. Their logic has the tendency to make 0% sense 100% of the time (provided, of course, that they ever bring it up.) So you can ...
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  • 14.3k
7 votes
5 answers
216 views

How can the epidermis be manipulated at will to become clothing-like material?

In this world, elves developed along similar lines of homo sapiens, with some major differences that allow for a small metamorphic ability. Their epidermis, the outermost layer of skin, can be shaped ...
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  • 38k
1 vote
1 answer
111 views

How to capture the dichotomy between "Ideal specimen" and an the species? [closed]

How to reasonably worldbuild a species that exhibits a set of qualities and principles (has a "hat"), but also doesn't view it as an ideal and would view that a perfect/moral specimen steps away from ...
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  • 203
7 votes
6 answers
672 views

Is plausible to have subspecies with & without separate sexes?

I'm creating humanoid specie with two subspecies Hairy races - roughly based on humans, chiss, mirialans, with standard males & females sexes Tentacle races- roughly based on asari, twilek, ...
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  • 73