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Rigorous Science

Posts tagged evolution

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Rigorous Science Would there be any major disadvantages for a species to have six legs instead of four?

I want a world in which animals roam the wilderness on four legs, yet at least some of them are able to do the kind of carrying and fine handling of objects done by humans. The planet is superficia...

13 answers  ·  posted 4y ago by Canina‭  ·  edited 1y ago by Canina‭

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Rigorous Science Why would a race constantly deafened by ambient noises still hear?

In a story that I'm writing, there is a giant waterfall which flows down a cliff face. The waterfall is extraordinarily large, and the torrents of water which flow over the side are deafening. Beh...

3 answers  ·  posted 2y ago by DonielF‭  ·  last activity 2y ago by ajekb78‭

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Rigorous Science How do you find a mate when everyone looks amazing?

We have modern humans found in a near future, first world country on Earth. The primary technological advancements are in the form of extremely cheap and fast genome sequencing ($10USD/genome) and...

15 answers  ·  posted 7y ago by Green‭  ·  last activity 2y ago by celtschk‭

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Rigorous Science Is a genetically modified human with a much higher height plausible?

I've created a genetically modified race of humans with an extreme height. I've taken into account the cube square law, and added some bones and muscles to help cope with that. I'm planning on maki...

3 answers  ·  posted 2y ago by Popplio Lover‭  ·  last activity 2y ago by Razetime‭

Question evolution humans
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Rigorous Science 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 -&gt; Q...

0 answers  ·  posted 2y ago by caters‭  ·  edited 2y ago by Lundin‭

Question evolution sex species
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Rigorous Science Why would merfolk have hair?

A classic image of mermaids are their long flowing hair that swishes in the water. But in the scientifically realistic sense this makes none. The hair would be nothing more than a nuisance to the m...

21 answers  ·  posted 6y ago by Uncle Tres‭  ·  last activity 2y ago by PinoBatch‭

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Rigorous Science Anatomically Correct Mokèlé-mbèmbé

The Mokèlé-mbèmbé (meaning "one who stops the flow of rivers") is a legendary water-dwelling creature of Congo River basin folklore, loosely analogous to the Loch Ness Monster in Western culture. ...

3 answers  ·  posted 6y ago by Uncle Tres‭  ·  edited 2y ago by Canina‭

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Rigorous Science Anatomically Correct Vanara

Apart of the Anatomically Correct Series Vanara The Vanara is a group of people who lives in the forest in the Hindu epic "Ramayana." In there, it describes them as human-like, with reference to...

2 answers  ·  posted 3y ago by TGCF ‭  ·  last activity 2y ago by TGCF ‭

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Rigorous Science Could my leviathans exist?

Leviathans are closely related to hydrophis spiralis. Some characteristics of these leviathans include: continuing to grow until they die and are able to grow almost as large as a blue whale are ...

1 answer  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science How would Humans change, or evolve, to being Domed for many thousands of years?

A little snippet from my story idea, for some context- "The Earth Government Collapses, caused by the cutoff of resources from the Colonies. Large-Scale war soon erupts, with Nuclear Weapons being...

2 answers  ·  posted 2y ago by Hunt Castle‭  ·  last activity 2y ago by Hunt Castle‭

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Rigorous Science What evolutionary pressures would lead to solitary hominids?

Solitary humanoids aren't uncommon in works of fantasy/cryptozoology with Bigfoot coming to mind. What I want to know is What evolutionary pressures would lead to solitary humanoids? Some character...

2 answers  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science How big can a giant get before losing human level intelligence?

In many fantasy worlds, giants are as intelligent as human beings and others races that they either avoid stepping on or step on regularly. However, due to the square cube law, giants have a limit...

4 answers  ·  posted 2y ago by Seraphim‭  ·  last activity 2y ago by Seraphim‭

Question biology evolution
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Rigorous Science Could a Monotreme Griffin exist?

in the story i'm writing there is an island of mostly Monotremes which have diversified into a variety of ecological niches from giant platypus's to megafauna larger than the largest Placental Mamm...

1 answer  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science Alternative evolution mechanisms using cell fusion

I am trying to understand if it would be possible for organisms to evolve by different means other than random mutations and natural selection. Eukaryotes were predicted to be formed by fusion with...

1 answer  ·  posted 2y ago by LDR‭  ·  last activity 2y ago by LDR‭

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Rigorous Science Could penguins evolve to have fingers?

I've been trying to make a penguin-like humanoid race for a pretty long time now. I want to make them as realistic as possible. And I know such creatures could not exist in the real world, but I w...

1 answer  ·  posted 2y ago by Thormind‭  ·  last activity 2y ago by Thormind‭

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Rigorous Science What would encourage multiple animal species to evolve human features simultaneously?

The setting is fifty-five million years in the future on Earth, with multiple humanoid species that have different ancestors, but share similar characteristics. Their ancestors would be animals tha...

8 answers  ·  posted 2y ago by Lizardsaurus‭  ·  last activity 2y ago by Lizardsaurus‭

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Rigorous Science A virus that can mutate a human body into having insane strength and dexterity

Im writing a story about a boy in the year 2033 that is immune to a zombie like virus (world war z like zombies) and when he is bitten instead of turning into a brain dead zombie/infected his body ...

4 answers  ·  posted 2y ago by Reaps‭  ·  last activity 2y ago by Reaps‭

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Rigorous Science How would hands or hand-like appendages evolve from ray-finned fishes?

Tetrapods evolved fingers from the inner-bones of the fins of lobe-finned fish, could hands ever evolve from ray finned fishes if they were to become fully terrestrial, from a mud skipper ancestor?

1 answer  ·  posted 2y ago by Double_S‭  ·  last activity 2y ago by Double_S‭

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Rigorous Science How large can an animal's eye realistically get?

The largest eye in the world belongs to the giant squid, which has eyes up to 27 cm in diameter (some reports from the 1800s say 40 cm). Extinct ichthyosaurs also had very large eyes, 20-30 cm in d...

1 answer  ·  posted 2y ago by Praearcturus‭  ·  last activity 2y ago by Praearcturus‭

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Rigorous Science Could time travelers go back in time and help teach homonids how to build a civilization?

I'm writing a short story where a group of explorers found a mysterious cave in a remote jungle , Inside the cave they find strange paintings of spirals resembling portals , after exiting the myste...

1 answer  ·  posted 2y ago by Pierre ‭  ·  last activity 2y ago by Pierre ‭

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Rigorous Science Evolved insect eyes

In one question I asked how insects can evolve their base biology to grow in size here. Which was followed up by this question about how well the antennae would fare when increased in size here ...

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

Question biology evolution
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Rigorous Science What species will benefit most from humanity's having been here?

Assuming that as a species, we do ourselves in, not through war but through environmental neglect and overpopulation, what species will benefit most from the effect we have had on the planet during...

15 answers  ·  posted 2y ago by Henry Taylor‭  ·  last activity 2y ago by Henry Taylor‭

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Rigorous Science What would a thicker atmosphere do to plant growth/evolution?

I'm working on a concept for a habitable world with venus-like atmospheric pressures, where humans have settled onto huge tabletop mountains where the atmosphere isn't as crushing. This is a terraf...

0 answers  ·  posted 2y ago by DehLeprechaun‭  ·  last activity 2y ago by DehLeprechaun‭

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Rigorous Science How feasible would non-jawed vertebrates be on land?

In my alien world life has evolved very convergently with life on Earth. Carbon-based lifeforms managed to evolve multicellularity and evolved a lineage of organisms in line with early fish, howeve...

2 answers  ·  posted 2y ago by syrus2010‭  ·  last activity 2y ago by syrus2010‭

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Rigorous Science With dunkle-like Jaws, how long could the neck be?

The Apex predator of the Sea of Grass biome from planet Andromeda is mostly bipedal, but capable of facultative quadrupedalism, it has long limbs, powerful claws on its hands and is roughly the siz...

3 answers  ·  posted 2y ago by ProjectApex‭  ·  last activity 2y ago by ProjectApex‭

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Rigorous Science Anatomically Correct Yara Ma Yha Who

This is a submission for the Anatomically Correct Series Residing in Australia, the Yara Ma Yha Who is a creature of Aboriginal folklore being depicted commonly as: being 3-4 ft tall having re...

3 answers  ·  posted 3y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science How and Why Would a Species Evolve This Hand Structure

I have a mental image of a humanoid species with hands possessing three fingers and two thumbs, on opposite sides of the hand: *note: it could be animalistic or reptilian, it doesn't need to be ...

3 answers  ·  posted 2y ago by Capillary Cumorah ‭  ·  last activity 2y ago by Capillary Cumorah ‭

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Rigorous Science Could cilliates evolve into multicellular creatures?

Would it be possible for a cilliate, such as Stentor, to evolve into a large multicellular organism similar in form to the original unicellular body-plan?

1 answer  ·  posted 2y ago by Ichthys King‭  ·  last activity 2y ago by Ichthys King‭

Question biology evolution
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Rigorous Science Evolutionary adaptations in sensory organs among wildlife in sandstorm?

What possible evolutionary adaptations could you foresee in the sensory organs of wildlife in an environment beset by a nigh-permanent sandstorm? e.g. in the case of vision, ways to protect the ey...

1 answer  ·  posted 2y ago by Delirium‭  ·  last activity 2y ago by Delirium‭

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Rigorous Science Advantages of Bowlegs in Humanoid Species

In an Earth-like planet filled with humanoid creatures (upright, two legs, two arms, head, etc.) the inhabitants have evolved to grow bowlegs. The question is why? What advantage would it bring...

1 answer  ·  posted 2y ago by bio‭  ·  last activity 2y ago by bio‭

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Rigorous Science Is knuckle walking possible in a cursorial animal?

In an alien world, due to changes in the ecosystem animals that were once mostly arboreal started having to spend more time in open plains, adapting to fill a new niche of grasslands/bush eaters an...

2 answers  ·  posted 2y ago by ProjectApex‭  ·  last activity 2y ago by ProjectApex‭

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Rigorous Science Making Immobile carnivore

I recently finished watching one of the Star Wars films, the one that features the sarlaac pit. When I saw it, I began to immediately think how such a thing would evolve. The sarlaac pit is essen...

1 answer  ·  posted 2y ago by RotNDecay‭  ·  last activity 2y ago by RotNDecay‭

Question biology evolution
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Rigorous Science Would a Longer PETM Save the Creodonts and the Mesonychians?

Some 55.8 million years ago, Earth underwent a really dramatic heat wave known as the Paleocene-Eocene Thermal Maximum, or PETM. What happened, exactly? We don't know how it happened, but we do k...

3 answers  ·  posted 2y ago by JohnWDailey‭  ·  last activity 2y ago by JohnWDailey‭

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Rigorous Science How small can I make this character without making it too weird?

I'm creating a character who was born after a long period of genetic instability, which created a lot more diversity throughout the human race. I'm planning on making my character excessively small...

4 answers  ·  posted 2y ago by Popplio Lover‭  ·  last activity 2y ago by Popplio Lover‭

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Rigorous Science how big does my creature's organ need to blind or stun predator of all size?

Ok so my creature will look like this They're not big, about 2 feet tall. They're technically amphibians but have the scaly hide of a reptile. They live near the sea. Their life cycle is simila...

4 answers  ·  posted 2y ago by user3556983‭  ·  last activity 2y ago by user3556983‭

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Rigorous Science Could my "erect penguins" exist?

In the story I'm writing, a group of African penguins evolved to be fully upright (instead of having their knees bent like modern penguins). Now some basic characteristics of these "erect pengu...

1 answer  ·  posted 2y ago by icewar1908‭  ·  last activity 2y ago by icewar1908‭

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Rigorous Science What if we created a race of humans specialized for islands?

I'm creating a fictional universe in which several races exist that are very different from each other due to long term separation. One race is specialized for archipelagos and more specifically, d...

3 answers  ·  posted 2y ago by Popplio Lover‭  ·  last activity 2y ago by Popplio Lover‭

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Rigorous Science What if we created a race of humans specialized for a tundra biome?

I'm creating a fictional universe in which several races exist that are very different from each other due to long term separation. One race is specialized for the tundra, and is subjected to sever...

1 answer  ·  posted 2y ago by Popplio Lover‭  ·  last activity 2y ago by Popplio Lover‭

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Rigorous Science Could the common housefly survive on a diet of various grasses? If not, whats the minimum amount of other species they would need to survive?

I was wondering, for a speculative evolution project, what could be the bare minimum amount of organisms the common housefly needs to survive? Could they just feed on grass? Or should I add a flowe...

1 answer  ·  posted 2y ago by Schwefel Kamm‭  ·  last activity 2y ago by Schwefel Kamm‭

Question biology evolution
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Rigorous Science What will the abdominal muscles of non-primate humanoids look like?

After looking at concept art of various humanoid creatures portrayed in science fiction I noticed many artists tend to make the abdominal muscles of their creatures/aliens look similar to those mus...

2 answers  ·  posted 2y ago by Pierre ‭  ·  last activity 2y ago by Pierre ‭

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Rigorous Science Humanity is doomed because of succubi

The first two answers in the anatomically correct succubi question suggest a parasitic approach to the concept of succubi which snatches off human organs, either the tongue or the vagina and feed o...

2 answers  ·  posted 2y ago by Kay‭  ·  last activity 2y ago by Kay‭

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Rigorous Science Through Uterus/Reproductive System

Early life, and many modern organisms have what we call 'blind guts'. Food enters and exits via the same opening. However, that is inefficient and has been widely replaced with 'through guts'. Fo...

4 answers  ·  posted 2y ago by Aezyc‭  ·  last activity 2y ago by Aezyc‭

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Rigorous Science Could there be a complex creature with a flatworm-like pharynx?

I'm designing a creature which possesses a decently unusual trait: despite having a developed head, it's mouthparts are attached to a tentacle that retracts into the creature's belly when not in us...

0 answers  ·  posted 2y ago by Ichthys King‭  ·  last activity 2y ago by Ichthys King‭

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Rigorous Science Could Meridiungulates Colonize The World Before the Opening of Panama?

The last time I asked something similar, I asked if it would be possible for xenarthran mammals (armadillos, sloths and anteaters) to be thrown off of South America from life-giving rafts to other ...

1 answer  ·  posted 2y ago by JohnWDailey‭  ·  last activity 2y ago by JohnWDailey‭

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Rigorous Science Are flexible digits viable for both running and climbing?

I'm basically designing a quadrupedal digitigrade alien, which has evolved from a predominantly arboreal animal into a predator with more cursorial adaptations, capable of running fast, but still b...

2 answers  ·  posted 2y ago by ProjectApex‭  ·  last activity 2y ago by ProjectApex‭

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Rigorous Science Could a species evolve to the point were they cause their own extinction

We know that in biology, a species evolves to better survive its planet and its various climates and geography, which is mainly a result of natural selection. But, sometimes, this natural selecti...

5 answers  ·  posted 3y ago by RotNDecay‭  ·  last activity 2y ago by RotNDecay‭

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Rigorous Science a tribe of neanderthals survive on a tropical island off of the coast of india into the modern day. how might they evolve?

lets say this island is an exact copy of the climate and ecosystem of tropical India. how might Neanderthals evolve in order to survive this environment?

1 answer  ·  posted 2y ago by bigboi‭  ·  last activity 2y ago by bigboi‭

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Rigorous Science Anatomically Correct Giant Seahorses

This is a submission for the Anatomically Correct Series Giant seahorses are often portrayed in fiction as being ridden by merfolk or other underwater people. I'm wondering if such a creature ...

2 answers  ·  posted 2y ago by Richard Lindahl‭  ·  last activity 2y ago by Richard Lindahl‭

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Rigorous Science Could sentient mitochondria evolve?

Hideaki Sena's cult classic novel, Parasite Evil and it's video game sequels revolve around the premise of mitochondria gaining sentience and usurping mankind after aeons upon aeons of multicellula...

2 answers  ·  posted 2y ago by Arbiter Elegante‭  ·  last activity 2y ago by Arbiter Elegante‭

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Rigorous Science Ningens / Humanoid whale-like creatures

Ningens are an old internet legend/creepypasta. Supposedly living in the polar regions of the globe, these creatures are described as having white-skin, a roughly humanoid structure with clear hea...

2 answers  ·  posted 2y ago by Mr Glass‭  ·  last activity 2y ago by Mr Glass‭