Questions tagged [metabolism]
The metabolism tag has no usage guidance.
18 questions
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Chlorine-breathing insectoid species
I'm trying to come up with a plausible atmosphere of alien world (Callisto moon) inhabited by insectoid race (they live in caverns underneath/inside the ice crust). I read that chlorine is a much ...
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More energy dense alternative for glucose for vampires
I'm making a vampire human subspecies that is hundreds of times stronger than humans and also is immortal, but I can't seem to find a suitable energy source.
First, vampires are humans infected by a ...
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Can combustion create ATP
Could the heat and light from slow and controlled combustion produce ATP from ADP and inorganic phosphate? Could the heat and light drive proton pumps and then could ATP synthase produce ATP from the ...
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How can human feed themselves on a planet without organic compounds?
I have a planet that is mostly inhabited by "animals" that aren't carbon based, with intentions for humanity to eke out a way of living there. Now, easily I could reason that they just ...
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A species that is warm-blooded when a juvenile, but cold-blooded (or at least lukewarm-blooded) when an adult [closed]
In my world, there is a species of squamates from the Toxicofera clade named dragons (their scientific name is Draco draco). Some of their characteristics include:
In comparison to human beings, they ...
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What pressures would force most life to possess external stomachs, and how would they avoid losing moisture on an Arid planet?
The zoology of my setting takes place on a mostly dry planet - it's certainly got rainfall, seas, and wetlands in certain ecoregions, and life exists there mostly, but some things still live in more ...
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Accelerated Metabolism Thermal Sensation
If a person has an accelerated methabolism, and thus a higher body temperature, would this person feel more hot or cold than a normal person in the same ambient?
(Question edited for the sake of ...
- 1,211
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Metabolism In a Reducing Atmosphere
Recently I have been looking for metabolic processes that might emerge on a planet with a reducing atmosphere and have come up empty-handed. There are some other questions out there that have been ...
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What evolutionary pressures would result in metabolic INefficiency?
What evolutionary pressures would result in metabolic IN-efficiency being a fitness-increasing adaptation in an animal?
By "metabolic efficiency", I mean "percentage of usable energy ...
- 13.1k
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Most effective gill design for a humanoid?
In the distant past, Water was a world much like Earth--but all of its continents have been eroded away, such that its surface is entirely covered in, well... water.
While many of Water's ancient ...
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How to make "humans" that can hold their breath for a long time?
Let's say I have an aquatic humanoid, vaguely like a selkie. As creatures that spend a lot of time in water, it would be great if they can stay under water for "a while".
The human breath-...
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What temperatures can be tolerated by a ''small'' human?
Temperature resistance is linked to size and bodily composition.
An easy example is the small obesity rate in cities like Singapore, regardless of the modernized diet fat people don't hang around in a ...
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Does a cyborg have the need for a toilet?
Most of the guts and stomach are removed. The torso is cut short below the ribs.
Instead of legs there are vehicular links which the cyborg can put on and take off like a prosthesis. There are ...
- 445
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What is the most plausible way to do electronic respiration in humans?
My castaways on Saturn live on fibrous organisms that extract electricity from the turbulence of the atmosphere. They have chosen to adapt to the planet by implanting electrolysis equipment that ...
- 23.7k
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Most Powerful Being On Earth
Okay, with my power system, I want to have these ranks:
F Rank: Average power level of species
C Rank: Most powerful member of species
B Rank: Most powerful living being native to a planet
A Rank: ...
- 2,380
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Genetic modification needed for a human to hold breath for a few hours? [closed]
What needs to be improved or added to the human body for a human to be able to hold one’s breath for more than 4 hours?
please take into account external conditions that can significantly affect the ...
user71408
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The eating habits of metabolic wizards
If wizards had to draw energy from their bodies, using only existing biological processes and bound to vanilla human metabolism rates, how would they be inclined to maintain their bodies and diets to ...
- 14.4k
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How much more efficient would human metabolism be if fat were denser?
If the density of fat were raised to about a density of 3g/mm, how would human metabolism be affected? Would it be massively improved, or is there some fatal flaw I'm not taking into account?
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