All Questions
Tagged with science-based biology
1,409
questions
-1
votes
0
answers
63
views
Reasons/excuses to evolve and retain handlike manipulatory appendages [closed]
As you may know, humans' arms and hands are a direct callback to the times when our ancestors lived in more arboreal settings (monkey swing on tree type stuff)... we needed to be able to grip branches ...
4
votes
3
answers
191
views
Is it possible for plant life to evolve (and adapt) on a low CO2 planet?
C4 photosynthesis, which can operate in Carbon Dioxide levels as low as 10ppm
A question related to these two questions:
Habitable inner planet with large oceans, fast rotation and earth-like ...
6
votes
3
answers
1k
views
Would human-shaped sperm cells work?
After looking at videos of sperm cells, they reminded me of someone swimming. I've decided this was a neat idea for me to integrate in my worldbuilding.
For lore reasons, I have a group of people with ...
2
votes
2
answers
82
views
Role of mouth size in ability to replicate human phonemes
(If you're uninterested in any of the background info, boiled down question is in the second paragraph)
As part of my worldbuilding, I have become very interested in conlanging; of particular interest ...
3
votes
1
answer
116
views
Is it reasonable that my human-habitable alternate universe look different?
In the story I am planning, I wanted to have two universes, one just like ours, in which humans evolved, and another that is sufficiently similar to our own that humans may survive, but in which ...
11
votes
8
answers
3k
views
Mechanism behind a pink human skeleton
I have a group of genetically engineered humans with pink $\color{#fe019a}{\text{(#fe019a)}}$ skeletons. The humans are naturally born with it so it isn't transplanted. Furthermore, the skeletons are ...
0
votes
0
answers
41
views
Can the hemoglobin be fed something besides iron to make blood a different color? [duplicate]
A bit of context here. A species of Fairies in my world have silver-colored blood, and while researching for that, I learned that hemoglobins essentially require blood to be red because they need iron ...
6
votes
5
answers
2k
views
Evolution of predatory elves
One concept I've toying with for a while is the idea that elves are a species of Homo that have adapted to a more predatory life style. With the idea that their agility and strength is derived from ...
1
vote
3
answers
202
views
How can decades-long ageless sleep work without either warping time or allowing biological immortality?
I am working on a setting with interstellar travel but no faster-than-light travel; since generation ships require almost perfect recycling technology and are unlikely to be socially and culturally ...
3
votes
4
answers
618
views
multiple retinas in one eye
is it possible to have multiple retinas, would there be advantages to this? Or would it just not work at all? I have a diagram (a shitty one) and more explanation if needed
Edit: sorry for the ...
7
votes
3
answers
1k
views
Could variation of the universal constants affect computation?
One of the obstacles to realistic - yet interesting - space battles is that of effective computation. If all trajectories and whatnot can be computed much faster than a human could follow, it leaves ...
1
vote
0
answers
66
views
Could an organism breathe SO2 (Sulfur Dioxide) and reuse the sulfur atom for bones made of S8 (Octasulfur) and AlO3 (Aluminium Oxide)?
Problem
Background
I want animals on my fictional planet to use 6 SO2 (Sulfur Dioxide) instead of 6 O2 (Oxygen) to react with C6H12O6 (Glucose), to make 6 CO2 (Carbon Dioxide), ATP, 6 H2O (Water), and ...
2
votes
4
answers
152
views
observable consequences of perfect healing
What are the Consequences of Perfect Healing?
Or stated another way, what short-to-mid term observable consequences would there be after altering a human being to be in a perfect state of health, ...
3
votes
3
answers
170
views
A Better Genetic Polymer?
This is a long one. (TLDR at the bottom)
The prospect of alternative genetic polymers has attracted the interest of people for almost as long as we have known about DNA. Indeed, many alternative ...
7
votes
4
answers
1k
views
Could an ecosystem entirely made up of parasites be possible?
One of the settings for a story I'm writing is gigantic worm-like animal. Being so large it stands to reason that there would be comparatively smaller animals living within and on the surface of it. ...