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1.710 biology questions.

Researching a lot about fantasy, I've always had interest of mushroom humanoids, but I wanted to put my own twist on them. Instead of sentient mushrooms, I wanted to have a humanoid species infected ...

Designing living creatures is hard, so I came up with a generalized idea to speed up the process in the future: Biological padding is a spongy structure made of spider silk and filled with either ...

I've recently became curious about the moon wide super organism on Pandora known to the natives as Eywa. Eywa is theorized by human scientists to be a superorganism of all living things on Pandora. ...

Gender roles have been historically assigned at birth. As soon as parents establish the sex of their children, they are molded into certain social categories. But what if humans didn't display sexual ...

The only real advantage humans have over robots is their stamina and fine motor skills. This would make them a cheap and excellent repair drone, but there are certain problems. What biological ...

In many forms of media, when a person is bitten by a vampire have a look of calmness and pleasure on their face. Do vampires inject some sort of venom that causes feelings of pleasure or another ...

Basically what would be the long term effect on the health of ecosystem of a lake if tons of powdered silver is mixed into a lake? This question comes from a hypothetical situation where a lake has ...

How many humans would I need to skin to create a bulletproof full body suit. The main thing is that I am a guy who wants to not get shot and I happen to enjoy harvesting human flesh and I am dead set ...

So I've been working on a low magic world where magic is actually just another form of energy that can be actualized, similar to alchemy in Full Metal Alchemist. Although development has taken a ...

I'm not aware of any animals which have evolved projectile weapons that they fire. There are a number that spit venom but none that even throw rocks, let alone using projectiles. On the other hand ...

Projectile weaponry is not unheard of in the animal kingdom - cobra venom, venomous spider silk, velvet-worm slime, scalding water from bombardier beetles, archerfish spitting water, penguins ...

The title fairly well sums up the question. We all know elves have pointed ears. Whether they be LotR style with slight tapers, or full blown foot long impracticalities, all elves have pointed ears. ...

In "The Thousand and One Nights", the ghouls were vile tricksters and ravenous flesh eaters. They kidnapped victims and lured lustful men to their doom by taking the guise of beautiful women. ...

I found that most wolf species (especially European ones) have average weight of 40 to 60 kg and average height (at shoulder) of 50 to 80 cm. Questions are: if there was a wolf that was about 100 kg,...

Writing a story about a civilisation of humans with either metal a) skin or b) skeletal systems. Setting: 1800-1900s on a fictional land that has both desert & rainforest. I felt the Middle-East/...

If a subspecies of human had bones that were made of an almost unbreakable material (let's just ignore any adverse effects this might have) how much would these bones help them to survive falls? ...

For example, a street this wide to have enough blood run down the length shown in this photo? Assume that the blood isn't going down storm-drains for whatever reason and assume the stretch of road is ...

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 ...

In the National Geographic mini-series Extraterrestrial or Alien Worlds, they featured a hypothetical gas giant moon called the Blue Moon. The Blue Moon orbits a binary star, has a very dense ...

I have a work-in-progress scenario where an interstellar generation/ark/cryogenic ship has reached its destination, but there are no habitable planets. There's no turning back, and so now the ...

Exactly what the title says : Could mass human cloning be feasible? I have a two criteria : Clones must come out as adult Cloning process must take a maximum of 3 months Optional : Clones must be ...

Fungi are generally decomposers, but I've heard of fungi which can digest rock, and that such fungi were on land before plants and that their rock-digestion is what made the soil livable for plants. ...

So, I was reading about the Colossus Penguin and was wondering how adding them to my world might affect the arctic ecosystem in my world? Obviously, they would need to eat a lot of fish, squid, and ...

Or would that eye be the most well-defended from external debris and whatnot in the entire world? Cats seem to get by just fine without eyelids and a membrane but no eyelashes...likewise humans with ...

Allright, what i'm asking is how life would be like on Earth (which pretends Earth could develop life in the "short" life of a blue giant) if we had two blue giants in the sky instead of the Sun?

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 ...

Fraternizing with the neighbor species led to a bit of a mix-up, and an unfortunate reaction that ended with a face (and mouth) full of this alien substance. Consistency is like a thick mucous mixed ...

Info I've created a pine tree that stabs its needles into people. Here's the way I did so: Using genetic engineering, my fictional scientists inserted keratin-producing genes into a pine tree (...

My question is rather simple; assuming optimal atmospheric and planetary conditions, what body plan would be able to support the largest plausible land animal? To split the above question into a ...

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 ...

I'm making this whole other alien world and I made it an ammonia world, so there is a lot of nitrogen in the atmosphere. Would nitrogen be a good gas to breathe in an ammonia world and would Cobalt be ...

Consider a group of humans at a bronze-age to early iron-age technological level colonizing a new earthlike planet. There is just one difference - there exists on the planet something which changes ...

Premise: I have a character that is trying to replicate himself into offsprings that will accomplish his task. He is a major character with immense levels of power/energy. My character has to create ...

In almost all science-fiction stories that include alien races, said aliens are similar to humans in many ways: bipedal (and often humanoid), communicate with sounds coming out of a mouth, orient in ...

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

In this world human-like people have skin that is unbelievably difficult to cut through and I was wondering what biologically creatable material is flexible enough to act as skin but it also ...

There are lots of different creatures that are loosely based on wolves. The most prominent one is probably the Werewolf, a mix of a human and a wolf. But there are also others, such as Dire Wolves or ...

I'm looking for an existing drug or chemical that most closely matches the following criteria, which will be listed from most to least important: lessening of social and moral inhibitions doesn't ...

So the argument against sentient robots is that no matter how intelligent they are they they cannot be conscious because conciousness is linked to our biology. But animals are conscious, expereince ...

I had the idea for a group of advanced humans using technology to rework their bodies so that they lay eggs instead of giving birth to live young, just like a platypus (possibly to survive in an alien ...

If given a reason to develop such a process, such as attracting prey or scaring away threats or even making recognisable patterns to 'talk' to humans, what is the most likely way they would do this? ...

Before I start, let me say that I know that what animals think and feel and whether they do it is a highly, highly debated topic. But, for this question, let us just assume that many animals think - ...

Ignoring the plausibility of their evolution and sources of food, could a whale-like creature which internally consists largely of hydrogen bladders/gasbags realistically stay aloft? If these ...

Suppose you became immortal* or came by the ability to live for thousands of years due to some inexplicable/irrelevant event (you still appear to be human by all standards except aging). What would be ...

My story happens in fictional medieval age. There are the usual suspects of peasants, clergy, craftsman, merchants & aristocracy. There is also a specific class of hereditary servants. They work ...

In a world where human and dinosaur co-exist, would it be a good idea to use dinosaur as a mount ? More specific questions : Is a dinosaur smart and docile enough to be ride ? Which species of ...

Everybody has seen superpowers like superstrength, flying, and regeneration. While flying and superstrength are quite straightforward regarding the energy cost, regeneration is not. In this question, ...

I'm designing a plant based anthropomorphic animal. It is slightly larger than a person and has bone-like segmanted wooden branches, nigh identical to a skeletal system. THIS IS NOT A QUESTION OF ...

Please note this question was originally asked and deleted by the user Era. I've chosen to resurrect the question with slight modifications because I think it is deserving of and will foster ...

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