evolution's questions - English 1answer

874 evolution questions.

I have had an idea for a possible story, where the protagonists are some kind of future, sapient hominid descendants (Not descended from humans; bonobos or gorillas or something). The main premise of ...

I'm trying to envision a creature that is highly dexterous, and adept at using tools, but every time I try to think of a possible grasping appendage, the only two I come up with are either tentacle ...

I have a humanoid species that developed a third eye in their forehead and was wondering what could be the reason they evolved this way or what advantages it would bring?

embryonic diapause is a reproductive strategy that is used by a number of mammals. In embryonic diapause, the embryo  does not immediately implant in the uterus after sexual reproduction has created ...

This is part of the same world I am making that this question I once asked is set in: How to evolve a reptile into a wyvern, 100 million years in the future? I might call these questions related to ...

I'm considering a situation where, in a certain environment, there are two specially adapted (to the environment) animals, a predator and its prey. I'd like, for the purposes of a story, for both ...

I have a species that is humanoid but has two sets of arms and I was wondering what reasons there could be for why they evolved that way?

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: ...

Often times a mongoose will prefer easier prey than a cobra. However, getting down to brass tacks, should the two fight, it's fairly axiomatic that the mongoose takes the win the majority of the time. ...

The succubi are popularly represented as women with horns and bat-like wings. They feed on the vital energy in myths, but could a humanoid creature resembling a woman evolve and feed only on human ...

Question: Are there are any serious biological or evolutionary plausibility issues with separating the energy storage/production function from the production of structural/regulatory biomass? ...

Edit: some answerers seem to be slightly misunderstanding the nature of the premise. Remember that the concept here is this; In the Precambrian of Earth, bacteria evolve to extract the abundant ...

In the media myth of King Kong, there exists a gorilla; 50 feet tall. The largest great apes ever to exist were Gigantopithecus Blacki which, stood up to 9.8 ft, and weighed up to 1,190 lb. While this ...

Specifically, arthropod eyes that are neatly in their respective sockets, much like the human eyes. Could that work?

In a story I'm writing, there is a species of extremely rare cave dwelling bird. A scientist and a plummer have to find a specimen of this bird before it goes extinct. When they finally find it, the ...

I'm designing an alien race that in structure to humans. One exception is that they have long muscular tails. I remembered while I was designing them, the reason why humans have no tails is because ...

I'd like my world to have humanoid protagonists, while still reinforcing that they are ultimately not human, but have simply evolved in a similar way due to convergent evolution. To provide a constant ...

After the extinction of all humans and most large animals, what would be the most plausible explanation for arthropods to grow much larger like during the Carboniferous period? Then, the oxygen was ...

From the movie Tremors, behold the graboid: These are vicious, SUV to bus sized sandworms that have acquired a taste for human flesh. They are known to "swim" through the earth really fast too. I ...

So many millions of years ago their was a lobe finned lung fish named tiktaalik that led to the evolution of all tetrapods and the diversity they hold today. And I wanna do that again, but instead of ...

In my scifi novel, all intelligent life eventually reaches what we might consider a humanoid form. Likewise, life on other worlds generally follows a semi-parallel evolutionary path, meaning that life ...

I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and less ocean depths. The world orbits a binary star system at a distance of the ...

Animals on Earth have 2 or 4 legs they use for walking. On another world, however, animals have 3. I want to know how these animals will walk. How will their legs be placed and how will they move them ...

Disclaimer: This question uses some liberal wording to get key ideas across. It's not meant to be academically rigorous, so please try to focus on the ideas and not the exact definitions of the terms ...

I've a creature that can focus CO2 laser through the len of the unique eyeball as means of self defense mechanism via natural selection. Now using the same natural selection process how can such ...

In the short story, a man is swallowed by a giant, fictional fish. In fact, he is swallowed whole along with his log cabin and a bunch of hand-crafted tools. In a "The Martian"-like narrative, he ...

For a story I require an intelligent [drepanosaur]. But to work with the plot the creature needs to still have traits that don't mix well with classical vertebrate evolution of intelligence. ...

Could werewolves exist in a realistic world? All that is required for an accepted answer is the ability to change shape over night. Bonus points will be awarded if you can explain a bite spreading ...

I've recently become interested in the possibility of silicon based life. Assume these creatures developed on a planet with zero carbon (don't question, just accept it), so they have no carbon in ...

This is the kinkajou: It looks vaguely similar to a monkey - it has grasping digits on its forelimbs, it has a prehensile tail like some New World monkeys, and it primarily eats fruit - but it is a ...

My world - basically Earth all along, unless told otherwise - is populated by humans and few fantasy-based "races" (actually, species - any interbreed offspring, if possible, is infertile): elves, ...

First of all I would like to precise what my species of wyverns actually are. I do not plan to make them huge and gigantic like in many fantasy worlds. Instead they are rather small and can be the ...

This question is inspired by the last paragraph of my answer here: Negating the negative effects of childbearing (A follow up question to this can be found here: Methods to ensure gene flow in ...

Imagine a race of humanoids who only eat meat, and are unable to digest vegetables. Is it possible for these humanoid to be able too create/gather enough food(meat) to the point that job ...

In pillbugs, sex is determined by two chromosomes: Z and W. Individuals who inherit two Zs develop as males, while ZW individuals become female. But in some populations, these rules are ...

Lets say that at least one alien is proven to exist, and it is roughly humanoid. It may have Klingon ridges on it's forehead, or blue skin, or have an extra set of limbs somewhere, but it's ...

The Background I have a species of intelligent humanoids roughly modelled after bears. They're hulking great grizzly-sized solitary mesocarnivores. Genus Homo and descended from H. sapiens, but ...

What characteristics (compare those of a mountain goat foot: good grip on rocks, doesn't slip off, etc) would the foot of a dog or a wolf need to have to be useful in rocky settings such as mountains (...

Our ancestors were mostly hunter gatherers and they might have collaborated with the Neanderthal to hunt woolly mammoths for food and material. Then something happened to the latter causing them to ...

I have an arboreal snail whose diet consists of largely fruit, would it be feasible through its natural bodily processes it turns part of these fruits into palatable alcohol to secrete as a defense ...

Say engineers wanted to create a new human species that is perfectly suited to the environmental and seasonal changes of the current world: What features would they consider? The new species is also ...

Is it feasible for an ectoparasite such as a a Tick to create a symbiotic relationship with its host? The hosts feeds the tick and the tick has some sort of beneficial substance within its saliva. ...

I request some help with the design of one particular denizen of my fantasy world, tentatively named Boar Troll. It needs to be an ungulate or closely related creature with emerging sentience, and ...

Assuming there were no extinction level threats to the dinosaurs, and they never fully died off (and survived the following ice ages), how would this affect the evolution and technology use of humans ...

On an Earth analog, assuming all the selective pressures necessary are there, how large can a flower's bloom evolve to be? I'm referring the the vegetative part of the flower, the petals! I have no ...

How to justify evolving ears that stick out from your head, on a humanoid. Like this:

This just out of curiosity and interest, could something like the marsupilami exist in our world? If you don't know, the marsupilami is pretty much a bipedal, arboreal monkey like monotreme (egg-...

Is it plausible for a species of ant that inhabits a mangrove-like marine environment to have their abdomen evolve into a tail-like appendage for swimming to move from tree to tree to forage?

I am building a city. A city full of athletes. These athletes are world class 100m sprinters of Olympic level or any renowned sports organization. 50,000 of such athletes are brought together under ...

Imagine a sessile, multi-cellular slime like organism (or whatever necessary) awaits in a burrow or along a tree branch. Then an animal lands in its ooze and is trapped and soon paralyzed by its venom ...

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