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Could alien species with blood based on different elements eat the same food?

You can generally get around having to magically hand-wave everything by transfering the problem into your universe, instead of viewing it as something kind of outside the universe that you need to ...
AnoE's user avatar
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2 votes

Could alien species with blood based on different elements eat the same food?

Its a definite maybe One problem would be deficiency diseases if something needed here only as a trace element is required in orders-of-magnitude larger quantities by the aliens. For example ...
nigel222's user avatar
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16 votes
Accepted

Could alien species with blood based on different elements eat the same food?

Your question is incomplete Humans can eat styrofoam and not die, despite it having absolutely no nutritional value. Humans can die from drinking too much water, which they otherwise require to live. ...
JBH's user avatar
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0 votes

Could we have a humanoid life-form that requires CO₂?

Both other answers have pointed out plants and photosynthesis. I will point out that plants also take in oxygen and give off carbon dioxide. They just do this significantly less than they take in ...
David G.'s user avatar
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24 votes

Could alien species with blood based on different elements eat the same food?

Ultimately, we have one example of a tree of life and associated amino acids and proteins, so a totally alien biochemistry is unlikely to interface well with Earth biochemistry, fullstop, regardless ...
jdunlop's user avatar
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7 votes

Could we have a humanoid life-form that requires CO₂?

What you describe as inhaling carbon dioxide and exhaling oxygen is in fact what plants do as photosynthesis. This would require a source of energy and your creature would be classified as an ...
Christmas Snow's user avatar
11 votes

Could we have a humanoid life-form that requires CO₂?

Such organisms already exist here on earth, practising photosynthesis. For the most part, photosynthesising lifeforms are largely sessile since the photosynthetic efficiency of photosynthetic ...
Monty Wild's user avatar
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0 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

The goal of the kaiju is not the destruction of earth. The end goal is something else, for which the kaiju need to absorb power which happens when they destroy earth. So we are just a convenient ...
Lichtbringer's user avatar
3 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Honour and/or Humanitarian concerns. Here on Earth, we have any number of rules on how we're allowed to kill one another, which vary wildly across time and location. They're certainly not consistent, ...
Jakub Konieczny's user avatar
0 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

No assembly require, no disposal required, no control method required Kaiju are self assembling. You get a mommmy Kaiju and a daddy kaiju, and you send the eggs out to hapless planets on a spaceship ...
Aaargh Zombies's user avatar
2 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Continuing effect The only other disaster that breeds is an epidemic, and those mutate too quickly toward reduced harm, because their generations are too short, and keeping the hosts alive and able to ...
Mary's user avatar
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4 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

What do you mean by 'more effective'? I see that there are other answers (and some of them are excellent from a point of view of Societal commentary.) However - I want to do a semi-Frame Challenge as ...
TheDemonLord's user avatar
5 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Where do giant monsters come from? Little eggs! It would appear logical to assume that large monsters have large offspring. But the beauty of organic systems is that they consume food from the ...
o.m.'s user avatar
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6 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Free food for their pets For this advanced race, Kaiju are either a strategic military resource, or just an exotic pet. In either case, the thing's got to eat, and it's a pretty relaxed and easy way ...
Mathaddict's user avatar
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8 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

"Master of Disaster" is the biggest reality show on Channel 7. In each episode a Kaiju, designed by one of the competing teams, is sent on a planet with the scope of dealing as much damage ...
L.Dutch's user avatar
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1 vote

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Well the simple answer may be that the aliens are just savages and likes the idea of the earth getting destroyed slowly and cruelly (compared to other methods mentioned). It may even be bit accurate ...
Among_Gus's user avatar
26 votes
Accepted

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Psychological Warfare & Cost/Benefit Analysis Kaiju have several benefits over your other suggestions. No Chance of Overkill: By definition they cannot destroy the planet or make it uninhabitable ...
30Keydet's user avatar
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3 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

Since these are aliens, we can't presume that we know what, exactly, they want from their invasion. Maybe they want to destabilize the government, but keep the population base. Maybe they want to test ...
Robert Rapplean's user avatar
26 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

It gets more clicks. The cruel nature of clickbaity headlines is that whoever uses them gets more exposure, and therefore more money, while whoever fails to use them gets less attention and less money....
Daniel B's user avatar
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