Questions tagged [biology]

For questions about the biology of life and organisms in works of science fiction and fantasy. Always use in conjunction with the relevant work tag. Biology is a natural science concerned with the study of life and living organisms. With regards to science fiction and fantasy works, it is generally associated with the practicalities of invented forms of life or life-supporting habitats.

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12
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2answers
2k views

How do Togrutas hear?

I was watching Ahsoka videos when it suddenly dawned upon me that she has no ears. After doing some research, it seems neither her horns nor her tentacles serve an auditory function. The other ...
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4answers
5k views

How does the Space Slug (Exogorth) breathe in the vacuum of space?

Whilst answering this question, an interesting question came to mind. In the chase through the Hoth asteroid field in The Empire Strikes Back, the Millennium Falcon takes refuge in a cave, which ...
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2answers
618 views

Does a xenomorphs acid blood make it vulnerable to water, or any other base/buffer solution?

For humans, a sudden change of blood pH from 7.4 to say 7.5 would be quite significantly harmful https://en.wikipedia.org/wiki/Alkalosis this is because of all the highly specialised proteins in the ...
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16answers
65k views

Why do the Walking Dead zombies stop decomposing?

Zombies must have a half-life. They exibit signs of decay as soon as they transform into the undead. Their rotting flesh would attract decomposers, like flys and beetles. Those insects should be able ...
6
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4answers
243 views

What is the earliest example of an accidental origin of life or civilisation?

The trope The essence of the trope goes like this: Somebody creates a new biosphere or civilisation by accident, such as leaving some sandwich lying around. Often, the product is microscopic with ...
3
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3answers
281 views

What is the physical difference between a male Moclan and female Moclan?

At the beginning of The Orville, we are told that Moclans are an entirely male species. However, the third episode reveals that, in rare cases, Moclans are born female and that corrective surgery is ...
33
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2answers
10k views

Why are Vulcan lips Human-reddish instead of green?

We know that Vulcan blood is copper based instead of iron as in Humans, making it appear green instead of red. This is shown when bruised or bleeding as well as in Bones' insults to Spock. The lips ...
74
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1answer
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What color is smurf blood?

Is it known whether smurf blood is red or blue? I checked the UNICEF ad (an ad where the Smurf village was annihilated by warplanes), but couldn't spot any blood in the ad.
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2answers
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Where does the energy come from in the Dune ecosystem?

In Frank Herbert's Dune books, the planet Arrakis has an interesting and well thought-out alien ecology. As summarised in this answer, the sandworms eat sandplankton (which consists, at least in part, ...
5
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1answer
202 views

Is it known what conditions caused the Gungan species to diverge morphologically?

It is well known that the Gungan species is divided into two races, the Otolla and the Ankura, even to small children. However, the astonishing biological diversity of Naboo seems a subject still in ...
8
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1answer
640 views

Short story about mis-delivered cloning kit from the future

Short story about mis-delivered cloning kit from the future. Subject man clones himself using scanner and ingredients from the kit (add water), agent arrives (from future) to reclaim the kit, but ...
8
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1answer
536 views

Has human child-bearing age been extended in Star Trek?

We know that life expectancy has been radically increased due to significant medical advancement. For example, Dr. McCoy lives to be at least 137 per his depiction in "Encounter at Farpoint". We ...
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0answers
66 views

What is the energy source for the spice-sandworm cycle? [duplicate]

The lifecycle of the Maker apparently contains stages when it produces spice (actually its precursor), and stage when it feeds on sand plankton, which are said to consume spice. Where is the source ...
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5answers
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Where/What are Venom's eyes?

Disclaimer: I have zero Spider-Man comic lore experience. When I think of Venom from the Spider-Man universe, I picture this: I always thought of the big white areas on his face as his eyes. Not ...
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10answers
8k views

Why does human racial diversity exist in Star Trek?

In Star Trek, humans of different racial appearances exist, such as Captain Kirk and Lieutenant Uhura. But I assume that if humans have been able to travel easily around Earth, and that there is ...
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2answers
2k views

How much volume is there in the 'hollows' of human bones? [closed]

Since the Extremis story line, Tony Stark stores a portion of the Iron Man armor inside the hollows of his bones. My really basic understanding of biology knows that inside our bones is marrow, which ...
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4answers
1k views

Is Ferengi behaviour better explained by biology or culture?

Obviously some characteristics will be based on biology (Trills not being good in the heat while Cardassians are for example.) However, in the various incarnations of Star Trek, there appear to be ...
8
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2answers
556 views

At what point does the biological portion of the (Arnold) Terminators fail?

In the film franchise we see the Terminator(s) get shot, burned, flayed and smashed. In T1, it begins to rot without medical attention. In T2, Uncle Bob tells Sarah Connor that it will heal as she ...
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2answers
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Is Priss' death plausible for normal humans? [closed]

We have no doubts that Priss is a replicant: we see Deckard read her file, then we see her showing off in front of JF Sebastian, and finally the matter of her death: ...
14
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4answers
2k views

Are the humans in the Star Wars Galaxy really humans?

Related: Why are there humans in the Star Wars Universe? This is a subtly different question because I'm not asking whether there's a historical relationship between the two lineages. I am asking ...
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2answers
309 views

Are Formic queens the only fertile females?

We know that Formics supposed to be similar to our ants, which have only one fertile female - the queen - that is a mother to the whole swarm. Is the same true to the Formics as well? I remember that ...
7
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1answer
285 views

Strange alien planet with sentient trees, human colony - a novel

These trees have offspring that undertake a pilgrimage over water and land to a mountain, then return to their home, take root, and become part of their family forest. There are several, sometimes ...
17
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1answer
2k views

Is there any evolutionary advantage to the position of the Vulcan heart?

We know both from the original series and Star Trek Beyond that the vulcan heart is located where the human liver is. It seems an odd and inconvenient position deprived of the protection the rib cage ...
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3answers
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Is Wolverine sterile?

Pretty much just that...it seems like there would be a lot of little (and not so little) Wolverines running around by now if not. Surely this is addressed somewhere in the comics.
5
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1answer
458 views

Does Hulk have joint problems? [duplicate]

I just saw Hulk punch a tunnel through a mountain, and jump over others; and I've seen him throw cars so started thinking: he has this strength and muscles but don't his joints wear and tear? Has he ...
24
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1answer
5k views

Does Clark Kent have a weight problem?

This question came to mind while watching an overloaded vehicle tilting down the road ahead of me. Are Kryptonians Height & Weight Proportional (H/W/P) to humans? I'm curious to know if Clark has ...
11
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2answers
837 views

Is Superman's strength related at all to his muscles?

Superman is generally shown in most appearances with a single iconic physique: buff as hell. He's also super-crazy-ultra-mega-strong. But as any fan knows, the two aren't generally related: he draws ...
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6answers
5k views

Can't you just bite off a face hugger?

This seems like a serious plot hole to me. The face hugger in the Alien franchise is almost completely soft, short of its crab like legs. It seems like a serious evolutionary disadvantage if your ...
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3answers
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How many alien species are compatible with humans?

In the various incarnations of Star Trek across the decades, there have been some important characters who are half-human, one of their parents being an alien: Mr Spock, from TOS, is half-human and ...
6
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2answers
519 views

Is the claim by Kim Stanley Robinson about Carbon Dioxide being poisonous true? [closed]

I've read all 3 books, and loved them except for one small claim that keeps bothering me. Specifically, is Carbon Dioxide as poisonous as we are lead to believe? I always thought that if we were in an ...
8
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2answers
869 views

Do Aliens (Xenomorph) have cells?

Do the aliens from the Alien franchise have cells as we know them? I want to know as I assumed they didn't and just secreted a resinous exoskeletal system.
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0answers
120 views

Why does Dr. McCoy have difficulty with Vulcan biology? [duplicate]

I've been watching The Original Series and on any occasion when Mr Spock has some health issues McCoy seems either baffled or unable to help him without taking risks or being completely unable to ...
6
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2answers
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Was the Thing trapped in its current form until assimilating another, or could it retake the form of previous assimilations?

In the 1982 film The Thing, was the creature trapped in its current form until it could assimilate another, or could it retake the form of previous assimilations?
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2answers
723 views

Did life evolve in Star Wars, or was it created by the Force?

I was wondering how exactly life originated in the Star Wars universe. Did life arise through natural processes (eg. Darwinian evolution) like on earth, or did the Force somehow "create" life? Did ...
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2answers
3k views

Can tree frogs modulate their infrared output? [closed]

In Jurassic World one of the scientists said that tree frogs can modulate their infrared output. Is this science fiction or science fact?
6
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1answer
664 views

Infection by dead Things

Based on John Carpenter's 1982 film The Thing and its 2011 prequel (also titled The Thing), is it possible for someone to get infected by a dead Thing?
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1answer
559 views

Do characters in Star Wars address how odd it is the universe is filled with humanoids?

In Star Wars, basically everyone is a human with facial make-up; is there an attempt at an in-universe explanation of this within this franchise? Note:formerly this question was for Star Trek and ...
3
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2answers
365 views

Where do the Mother Trees came from?

Warning: this question is a significant spoiler to the "Speaker of the dead"! Lets talk about sex. No, not the ordinary one but that of the Pequeninos (Piggies) from the Enderverse, which have a ...
10
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5answers
379 views

A person contracts a biological pathogen that is collectively intelligent, forming a symbiosis [duplicate]

Trying to identify a story where: A person (man/woman?) somehow contracts a pathogen that leans to communicate with him. The pathogen is something like an amoeba. the person is hunted by others ...
10
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2answers
412 views

Do Shapeshifters, like Odo, shift just shape, or composition as well?

When Odo is shaped as a humanoid, for example, is his eye just the outward shape of an eye? Or does he have a lens, and a retina, and an optic nerve, and a brain made of neurons processing images?
7
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1answer
259 views

Novel with intelligent sperm whales and their legendary heroes

A novel with intelligent sperm whales which I PARTIALLY read in a supermarket book display back about the 1980s I guess. Obviously it counts as at least partially fantasy and science fiction. I ...
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4answers
4k views

Is obesity ever addressed in Star Trek?

I was pondering, as I am wont to do, and it struck me how I could never recall anyone being overweight or obese in Star Trek. As it is such an issue today, and has been a major one issue for the last ...
6
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1answer
911 views

What Star Trek humanoid species has the longest natural lifespan?

I don't mean due to advanced medical technology, cryogenics, stasis, time travel, etc. I don't mean due to being a Q or a Borg or some other non-corporeal lifeform or a totally alien biology. Which ...
5
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1answer
374 views

Are Gallifreyans reptiles, mammals, or something else?

I recently saw a claim that Gallifreyans are reptiles. I know that their normal internal temperature is significantly lower that that of humans. From Wikipedia (emphasis mine): Physiological ...
6
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2answers
2k views

Why doesn't zombie blood coagulate?

In The Walking Dead (as opposed to the book World War Z, for instance), it has been consistently shown that zombies have red, liquid blood, apparently indistinguishable from human blood. But we know ...
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4answers
3k views

Do characters in Star Trek address how odd it is the universe is filled with humanoids? [duplicate]

In Star Trek, basically everyone is a human with facial make-up; are there any instances where character comment on this and attempt at an in-universe explanation of this within this franchise? Note, ...
9
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1answer
674 views

What about all the dragon-poop?

Was there ever a definitive description of how dragons and fire lizards defecate and what was done about it? I have read some descriptions saying that they do so between, while other sources stated ...
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7answers
10k views

What would really happen if you were exposed to space? [closed]

It seems that every science fiction story has a different idea about what would happen if a human were exposed to the vacuum of space. At the end of Total Recall, Quaid and Melina are ejected to ...
28
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3answers
4k views

How do the Dune sandworms move?

The sandworms of Dune are huge and powerful. But how exactly do they move beneath all that sand? They don't necessarily skim above the surface as they apparently only raise smallish (relative to their ...
24
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4answers
13k views

How does cross-species (Klingon/Human, Vulcan/Human) breeding work genetically in Star Trek?

While humanoids across the galaxy theoretically share a common remote ancestor, from what I remember each species has evolved convergently towards humanoidness by different routes. So we end up with ...