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Questions tagged [biology]

For questions about living things. Does not exclude aliens, but additional information is usually necessary (consider using "xenobiology" instead).

2
votes
2answers
192 views

Is there a name for being able to switch between bipedal and quadrupedal? [closed]

I've got a species that can switch between orthograde/bipedal and pronograde/quadrupedal, much like the werewolves in Skyrim, but I don't know what to call that. Does it have a name?
16
votes
2answers
2k views

Argon Environment Spelunking

Monster Slayer Stan, we are in dire need of your help! The caves in our nearby mountain are filling up with a dense but non-toxic gas that is protecting a monster's nest. The monsters are weak but are ...
3
votes
3answers
143 views

If a group of cavemen lived in the underground, what would be their adaptions? [duplicate]

For my world, a group of humans have went and lived underground and set up their own community, my question is what would be their adaptions? The underground they live in consists of multiple dirt ...
1
vote
3answers
302 views

How much power could we harness from waterwheels in the bloodstream?

If we could embed tiny "water" wheels into our veins and arteries, what is the maximum amount of power we could achieve? Assume that they will work and won't malfunction or clog our blood. Also, we ...
8
votes
6answers
626 views

Macroevolution in an isolated room

Imagine a large room, perhaps 50 metres in length and 35 in width, with its ceiling 40 metres above the floor. On this ceiling, there are LED lights, rendering the brightness of the room to look ...
4
votes
2answers
199 views

Are kaiju more probable if they aren't carbon-based lifeforms?

I don't know the science involved, so I'm hoping someone else does. But is it more probable a giant creature of that size and capability would be more likely to exist if it were, say, a silicon-based ...
1
vote
3answers
97 views

Whale-Tail and Seal-Legs in One Animal

In marine mammals, there are two different body types for two different niches: A long, strong tail for all-marine whales... ...and all four legs modified into flippers for pinnipeds that feed in ...
3
votes
2answers
88 views

Survival of Eukaryotic Life in Stagnant Oceans

I was trying to figure out the early geological/biological history of the world I'm creating, and I was wondering about the development of early life. Basically, I've envisioned a world where ...
4
votes
1answer
111 views

Mega-Dandelion Seed Size

How large, referring to weight, could a Dandelion seed become before the wind was no longer able to carry them away? Assume the physiology of both the seed and plant remain the same besides being ...
3
votes
5answers
131 views

Why would genocide not hasten the apocalypse? [closed]

This is a follow up question to this link: Why would a deity not be made weaker as more souls are being born? When human beings die, their spirits go to the soul forge. This forge is at the center ...
6
votes
4answers
282 views

The Hadean Explosion?

In recent years, the search for the origins of life is becoming complex. It turns out that oxygen is NOT a requirement for multicellular life to thrive. As stated in this BBC article, poriferans (...
3
votes
5answers
254 views

Powerful race breeding a better human

So some magical human-like creatures called Altum come from another continent (in my book) to this human populated continent (both are about the size of Europe). They want to help humans become a ...
12
votes
14answers
8k views

Why would post-apocalyptic men be twice as large as women?

I'm creating a post-apocalyptic world several centuries into the future. After the nuclear war whatever is left of humanity has regressed into the dark age. Society: The offspring of those few who ...
1
vote
7answers
324 views

Why would a deity not be made weaker as more souls are being born?

This setting follows a religion in which god, originally a perfect entity and the seat of human consciousness, split himself into two separate beings and reincarnated into two mortal forms. These two ...
8
votes
2answers
482 views

Would Earth plants grow in an alien environment?

This is a second question about the same world described in this question about human reaction to an alien world. So here's the idea: human beings travel to and land on an Earth-like world with the ...
9
votes
3answers
259 views

What would be the human physiological reaction to an alien biosphere?

This is the first question about colonizing an alien world; the second question on agriculture on this planet is here. So here's the idea: human beings travel to and land on an Earth-like world with ...
4
votes
0answers
153 views

How can I change life on a planet and the presence of Nitrogen in the nitrogen cycle and what effects are there [closed]

Nitrogen makes up most of our atmosphere, it gets fixed by bacteria, legumes, etc., and enters the soil in a different form to be used by plant life. The nitrogen gets buried in sedimentary rock over ...
2
votes
2answers
161 views

Creature to retrieve criminals and imprison them

For my world I was thinking of there being a domesticated creature that is able to swallow humans whole and keep them in a second stomach which acts as a prison. I figured it would need to be tall and ...
3
votes
1answer
421 views

How to maximize cancer growth? [closed]

Given the modern knowledge of human anatomy and biology what are the things one must hypothetically do in order to maximize human colorectal cancer proliferation?
13
votes
3answers
468 views

What would petrification feel like? [closed]

If a character in my book series gets petrified by magic, how would the process feel physically? Here are some things to note when answering this: -The character has similar physiology to that of a ...
28
votes
7answers
6k views

How much smarter would bred humans become?

I'm building a setting in a fictional Latin American country which is under military rule. The junta starts a breeding program in the late 40's with help from unscrupulous escaped Nazi scientists. ...
-4
votes
3answers
179 views

Anatomically correct saiyan?

A saiyan is a species that is biologically similiar to humans, except in one particular way. Every time they come back from the brink of death, their strength and speed increases. They also become ...
5
votes
4answers
352 views

If I were to travel back in time to Medieval Europe, do I carry any diseases that they weren't immune to, and would I kill them accidentally?

I actually have European ancestors who survived the plague and because of this, I have been told that I am more immune to diseases that broke out back then and that does make sense. So I can imagine ...
3
votes
2answers
172 views

Draconic Centaurs

And you thought I was finally done with centaur questions. I have a centaur race called the Draconitaurs. They're essentially centaurs, but with western dragons instead of horses. The dragon tropes ...
16
votes
4answers
4k views

Fart & Furious: flatulence as acceleration booster possible?

It's the Olympics, and it'll be one the world won't soon forget. The sprinters are in position on the starting blocks, the signal is given and the runners are off! However, one man gives off a fart so ...
0
votes
1answer
125 views

Metamorphosis Lycanthropy Part 2

If you notice the part two, yeah I had one before this. Please read it before reading this one: Metamorphosis Lycanthropy Edit: just figured out it was closed. Sigh . . . Edit 6 You have been ...
5
votes
4answers
221 views

Can land-living endotherms exist without hair, feathers, scales etc.?

Aliens are very rarely portrayed as being furry, at least in proper xenobiology worldbuilding. They're virtually never depicted with feathers, and only sometimes with scales. Currently, there are ...
9
votes
6answers
484 views

Flipped over through fourth dimension. When do I start to notice biological problems?

In the middle of the night, while J. Random Human is sleeping, A. Hypersphere picks him hyper-up extremely carefully (so that none of his matter falls out in a direction he doesn't have), flips him ...
5
votes
3answers
168 views

Bumblebees without Flowers

Just a fleeting hypothetical that crossed my mind. Say that no flowering plants exist. I don't know why - say a world has been terraformed with various Earth species. Bumblebees are present, but ...
24
votes
18answers
9k views

What Purpose Would a Unicorn's Horn Serve in the Wild?

This famous tapestry shows all the "modernized" traits of a unicorn--basically just a pale-colored horse with a single horn on its head. Of course, single-horned animals do and did exist: The only ...
0
votes
2answers
155 views

Is simultaneous hermaphrodite species stable?

I'm writing a story set in the after the end world scenario. The very few humans who survived the apocalypse in the facilities deep underground, decided that human race is too self-destructive and ...
3
votes
2answers
196 views

Metamorphosis Lycanthropy [closed]

Edit 1.5 You are a biologist and have perfected a Werewolf Serum 6, a special virus that interacts with the brain and will make a human turn into a werewolf-like animal. The serum is created with ...
1
vote
1answer
82 views

Alternative origins for the lungs

The terrestrial "vertebrates" of my planet must breathe air, and therefore must have lungs of some kind. They are descended from fish-like creatures, which breathe through gills. However, I would ...
3
votes
2answers
108 views

Requesting help with physiological merfolk concept

The concept I have is merfolk that don't breath underwater and preserve a very human appearance from the waist up. I need to keep human (or at least very human-like) hair, skin, and eyesight in ...
1
vote
2answers
91 views

Plausible way to time travel 10,000 years into a future where there is zero technology [closed]

Ideally the subject(s) would be stashed deep in a cave, and the process would be timed to wake him(them) up after 10,000 years have passed. Because of the low-tech nature of the future and the absence ...
8
votes
3answers
138 views

Transparent Carapace In Marine Organism

Is it possible to genetically engineer transparent carapace to act as biological armor in marine organisms? I know that deep sea animals may have transparent skin to hide themselves in the lightless ...
8
votes
3answers
1k views

Marine Predator That Uses Sound as a Weapon?

Let's say a bunch of crazy scientists develop the ultimate marine predator. How feasible would it to give this whale sized creature a sonic attack that can be a hazard to humans that use small ...
11
votes
6answers
3k views

How would anthropomorphic, but arm-less, snakes or eels hold things?

In my book series (more on that here), the galaxy is inhabited by anthropomorphic animals, humans, and mythical creatures. The anthropomorphic animals are similar to Narnia's talking animals, except ...
8
votes
4answers
1k views

Adrenaline-fueled cognition

So, I'm currently toying around with the idea of a hypercarnivorous sapient race on a planet in my universe, and I'd like to make them scary, but without abiding only by the "rule of cool". (Also note ...
0
votes
1answer
161 views

A Mosasaur With Gills? [closed]

What if a bunch of mad scientists genetically engineered a mosasaur like creature, but with gills so it doesn't have to surface. Let's say it would be about 60-80 feet long. Would the gills be placed ...
8
votes
5answers
1k views

Bioengineered reversible sterility

The Humern empire is vast, unbelievably powerful and (in certain matters) brutally authoritarian. One such issue is that of reproduction. In order to ensure that all subjects of the Empire remain ...
47
votes
11answers
15k views

Given immortality can animals become intelligent?

The animal in question starts off with reptile like intelligence, classic gecko and is a singularity, the only individual of his species to be immortal. It can die and be killed but for the sake of ...
4
votes
3answers
186 views

Brine pool ecosystems

(Question in highlighted text) So, the chances are that you've heard of brine pools, which form when methane erupting from the seabed expose ancient salt deposits - the concentrated salt mixes with ...
1
vote
4answers
140 views

Why would steroids not increase magical potential? [closed]

Mana is continuously produced by the body in order to keep a person alive and functional. It is also kinked to magical potential. Testosterone is an important signalling hormone in a mana production ...
7
votes
3answers
1k views

Realistic darkvision?

This question is similar to "How would the human eye need to change in order to see in low light without any changes to physical appearance?", including the apsect of change to the human eye, only the ...
2
votes
4answers
159 views

How To Tell a Turtle Sans Shell [closed]

On our Earth, what makes a turtle a turtle is its ribcage widened and fused to create a tough, protective shell. In comparison to other reptiles, alive or extinct, the turtle design has got to be the ...
7
votes
4answers
3k views

How much would a 3" human male weigh?

In my world, which has an Earth-like gravity and environment, an adult, fit humanoid male is 3 inches tall. When I do a simple ratio calculation, I come up with him weighing 7.9 pounds. Basically, the ...
4
votes
1answer
62 views

Seismotrophic microbes

Earthquakes release a lot of energy, and some places on Earth have quakes happening very often. I have seen sources quoting the Earth having quakes from 20 to 1,400 times a day, depending on the ...
4
votes
4answers
294 views

Evolution of polymorphism

What are the cost and restrictions or benefits of a creature being able to slowly morph from an animal to another while retaining memories? The creature morphs to giant eagle then morphs into fish ...
48
votes
5answers
6k views

Anatomically correct sharknado shark

Raining animals is a rare meteorological phenomenon in which flightless animals fall from the sky. Such occurrences have been reported in many countries throughout history. One hypothesis is that ...