Questions tagged [evolution]

For questions about the long-term change of a specific species, type of creature, or trait, usually through the process of natural selection and reproduction. Ideal questions focus on traits, not entire creatures. Consider also [creature-design].

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0answers
55 views

What would a eusocial species of lepidopterans look like?

I am writing a science-fiction story that takes place some million years in a future Earth. There is a species of lepidopterans that evolved to become eusocial. They are my gnomes. My species is a ...
9
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1answer
277 views

How to explain a reindeer's nose mimicking a police blinker light when it senses danger?

There is an odd species of creature with striking resemblance to a reindeer called Rudolphie, it has a red hue on its nose due to constant exposure to the cold condition of Arctic tundra and being ...
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4answers
176 views

How do animals evolve to have arms

My question is how/why does my creature evolve into having arms when it has none? Context: I am currently creating a evolutionary tree for the first animals of my planet. My planet is the size of ...
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4answers
490 views

Predatory plants on a seeded world

I imagined that in the far future, humanity has become space-faring and is running experiments with seeded worlds. One of these planets would be an earth-sized moon with almost identical atmosphere to ...
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2answers
96 views

Would it be possible to accelerate the evolution process of select animals? [closed]

I am talking about the advanced species in the Great Apes family. By accelerating the evolutionary process, I mean to gift apes with greater intelligence. We would be using science, possibly some ...
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9answers
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Would an immortal member of a species stagnate the species' evolution?

A member of a species becomes immortal, loss of senescence, incapable of dying from age-related issues. Otherwise it remains the same as other members of its species at the point at which it became ...
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2answers
87 views

Are boomalopes possible? aka a species that produces a flammable fuel?

I was inspired by this creature in a game called rimworld the creature when killed explodes and leaves a fireball ,and a corpse , when it does. The sacks on it contain a liquid that can be used as ...
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5answers
1k views

Evolutionary pressures for carnivorous elves

In a fantasy world I am creating, there exists a race of elf-like hominids that exist along side other races in this world. Note the "elf-like" portion as while they do have: Pointy ears (...
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1answer
85 views

Interstellar Evolution [closed]

Is it possible for a species/ecosystem to travel the stars? I'm curious what this would look like. How many generations would it take to adapt to a planets atmosphere and propel a seed colony carrying ...
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2answers
153 views

How could octopus-like creature evolve to live on land?

How could an octopus like creature evolve to live/survive on land? Would it want to live on land? For my world I am having 2 intelligent species on the planet. One lives on land, one lives both in and ...
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3answers
265 views

What is the largest size a creature using hemocyanin instead of hemoglobin could reach?

I haven't been able to find much on this question. I am making a world that is fairly cold compared to ours, not quite a snowball planet but enough that the highest average temperature is 66 degrees ...
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1answer
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Plants on a gas giant [closed]

I imagine that in my fictional solar system there is a gas giant which has bacteria-like life in it. Could plants eventually evolve in this gas giant? If so, what would they be like?
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How can evolutionary pressures lead to a decrease in modern day human lifespan?

I, Charlemagne Darwinius, am a great scientist who has devoted his life to the study of the evolution of different species. Priests speak of man being created by a supernatural being called God, who ...
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6answers
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Impact of a massive and static super predator in migration path

I'm in the process of adding the fun parts to my world, and I'm a bit perplex on this one; Premise Let's assume a fantasy ooze An ooze is a mindless carnivorous blob of jello - think cube-shaped or ...
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1answer
100 views

Is it possible to go from tree climbing to hiding in sand like some sandlions do

Is this evolutionary path possible with this creature because I don't know what would be in order to go from a creature that lives in the trees to living in a treeless environment. I had an idea that ...
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1answer
134 views

Could my Dog-Turtles exist?

Dog-turtles are a species of Sauropsida from the Archelosauria clade, and from the Testudines class. They are a Koopa pastiche (Koopas are from Nintendo's Mario) (Koopas are themselves a Kappa ...
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4answers
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Is it possible for extraterrestrial plants to produce oxidants other than oxygen gas?

Oxygen is a byproduct of photosynthesis because photosynthetic organisms on Earth use water as the electron donor. However, the first photosynthetic organism emerged from ocean where chloride is also ...
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1answer
115 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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4answers
209 views

Can a pangea like continent have diverse life and climates?

In my story, a group of scientific explorers go on a expedition to a planet, and I don't know if it should be a super continent because of the diverse life there could be. There are deserts, forest, ...
6
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3answers
91 views

How might parrot's feet change if they adapted for semi-aquatic life?

I'm creating a fairly whimsical kid's fantasy world, so I don't need 100% accuracy- however, one of the major themes is respect for the environment (and spec evolution is a big interest of mine) so I ...
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5answers
2k views

How to have humans evolve the same on multiple planets

How to have humans evolve the same on multiple planets In my fantasy universe, almost all sentient life, and most non-sentient life including humans, was teleported to hundreds of planets after a ...
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2answers
97 views

how do plants evolve to eat creatures

I have a idea for a plant on my world Chlorea. It is inspired by Venus fly traps and the plant that smells like rotten meat that attract bugs, but I want to know why and how did they evolve this way ...
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2answers
180 views

Is it posible for an animal to have elongated/visor-like eyes?

I had this idea a while back, but I can't seem to find any information about this topic. The idea was that instead of making it so the animal had multiple eyes it would have one continuous elongated ...
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2answers
281 views

I need help with aquatic arthropods

How would an arthropod (invertebrate animals with an exoskeleton)replace and or evolve into a fish-like animal (using terrestrial fish as an example)the question is how would they recrate a ocean ...
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1answer
45 views

Plausible evolution timeframe to diverge from ancient humans and gain plant mimicry

There are people in my setting who can blend in really well with the flora of their native lands, and can even do a passable job of blending in with other similar areas, a form of camouflage. Their ...
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2answers
97 views

Why might a creature appear to exhale dust rather than gas?

Recently, I have gained an interest in silicon-based lifeforms. I heard mentions here and there that if they exhaled silicon dioxide, they would exhale a fine dust or solid rather than a gas. Now, the ...
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8answers
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Why do Demons look different from each other?

So this is part of a passion project of mine for an ASB alternate history scenario. Where demons from another universe invade and conquer North America. The demons have been recorded in artwork in the ...
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4answers
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How would reincarnation affect the evolution of a species?

For purposes of this question, reincarnation works in the following manner: The transmissible personality, memories skills, knowledge and experiences of a person shall be referred to in this question ...
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3answers
113 views

Feasibility of endochitin and its use in making bugs bigger

To summarize, endochitin would be chitin that an insect uses for internal reinforcement as beams or some sort of network of structures that would grow along with their chitin exoskeleton. This would ...
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13answers
4k views

Could robots evolve?

Would artificially created robots that can reproduce and heal themselves be able to evolve? I imagine a planet where an advanced civilization made robot "creatures" and then died out, so ...
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3answers
86 views

Cobras becoming amphipteres

For those who don't know, an amphiptere is basically a dragon with no legs but it has wings. Whether or not these are pseudowings that only allows gliding or bat-like wings that allows flight varies. (...
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2answers
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How would my Homo autisticus evolve?

In a satirical white drama/lighthearted tragedy (the opposite of black comedy/dark humour) science-fiction live-action film I am writing that takes place in 8991 of the Gregorian calendar, it has been ...
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2answers
114 views

Explaining Giant Caterpillars that Chase Prey

The giant caterpillars in question are carnivorous, about the size of a barrel in width and length (ie. big enough to swallow an adult male whole), and have elongated limbs and mandibles to aid in ...
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2answers
83 views

Why would terrestrial, rodent-sized sapient mammals evolve to be hairless? [closed]

Something of a sister question to the one posed on biology sx. Assuming Earth-like conditions and biology in the realm of what has been observed in nature, what could possibly be worth losing a ...
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2answers
118 views

Could a single row of legs be useful?

Could it be useful for a species to evolve a single row of many legs on the underside of the body? The specific organism is amphibious, and has no paired structures on the outside. It does have ...
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3answers
155 views

Motility as Sexual Dimorphism

I was playing around with my planimal idea when it occurred to me that my world could reinvent fish if I simply tweaked the starting point then applied neoteny (i.e., if they grew to maturity while ...
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2answers
106 views

Reproduction via male gonad transfer

A major issue for many earth species is finding a mate when you need one. This problem is particularly acute for species that live in sparse environments (e.g., deep sea benthic zone) and those that ...
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1answer
50 views

How does the environment shape taste in alternate worlds

We all know there are factors leading to the various ways of flight, walking, running, crawling, climbing and swimming. Those factors are independet of the creature as those are motions and motion is ...
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3answers
322 views

A semi-plausible planimal?

Ok, I know the rather annoying mathematics of animals that rely on photosynthesis. But another question got me thinking about this and I had a thought: what if my planimal gets only some of its energy ...
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8answers
4k views

Would mermaids be affected by tongue-eating lice evolving alongside them?

The tongue-eating louse is an absolutely monstrous parasite that eats and replaces a fish's tongue. This of course poses a problem for mermaids; if these things evolved to do that for fish, why not ...
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4answers
172 views

Realistic reverse aging?

More than a few times in fiction they've had a sentient species age in reverse, as in the children look like adults and the adults like little children. My question is how could this trait be ...
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2answers
103 views

Would digitigrade legs be superior in low gravity for a bipedal organism?

all, I was reading another post on this forum about humans with digitigrade legs, mostly noting that they were relatively inefficient due to constant exertion to remain standing. On a planet with ...
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2answers
1k views

Could penguins evolve to become herbivores?

In a science-fiction story I am writing, there is a species of penguins that has evolved to consume seaweed rather than fish, arthropods, cephalopods, and echinoderms. They are my trolls. In real life,...
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5answers
144 views

Can a large creature (on earth) eat rocks and/or lava?

I was wondering if a rock/magma eating creature could survive on earth, I have searched about creatures which could do this, but all I have found involves silicon-based life forms which could not ...
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2answers
76 views

Triassic crocodile alternative [closed]

During the Triassic period there were many different varieties of crocodile related species. The dinosaurs weren't as prominent until after a poorly understood extinct event. If this event hadn't ...
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1answer
194 views

How can an animal get "upgrades" at different stages of its life?

I want an animal that gets harder to kill as it grows older, biologically immortal. Every time the animal passes different stages of its potentially endless life, it can choose to "upgrade" ...
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3answers
136 views

Could an organism evolve photosynthesis using internal microscopic structures instead of using pigments?

I understand that most animals that look blue don't have blue pigment but instead have microscopic structures that scatter blue light. I was wondering if it would be possible for an organism to ...
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6answers
463 views

Reptilian beauty standards

This isn’t limited to lizard folk but humanoid reptiles in general. The most common mistake I see when designing females of a reptilian race is to give them human breasts and proportions, despite them ...
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1answer
131 views

Why a dromaeosaurid would evolve to lose its legs? (to become an Quetzalcoatl/Amphithere)

An amphithere is a dragon from some European mythologies is described as a feathered snake, long body and wings with feathers, so basically can be stretchily compared with some Quetzalcoatl ...
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2answers
118 views

Viability of a predator that uses clubs to hunt (blunt hit attack)?

I think there are no predators that use clubs to hunt, maybe the closest thing is the mantis shrimp, but I think the killing factor are the waves produced and this happens in a very little size scale. ...

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