D: Require rare elements that are not prevalent enough for macroscopic creatures to thrive on
This could be achieved on planets with different atmospheric contents.
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More like different oceans contents.
Yeah⌠And the developers are probably not going to be willing to add even more types of respiration.
The thing is, oxygen is one of the most common elements, and Alternate things are very rare and often volatile. A planet with, say, Fluorine compounds, will also have oxygen based ones. So the autotrophs are evolving proteins and reactions to turn random nonsense like carbon dioxide or some sort of Fluorocarbon - Wikipedia (this is probably a bad example molecule but you get the idea), well, the carbonâfluorine bond is one of the strongest in nature, so itâll be hell to make those into some carbon-y fuel like sugar or atp and free fluorine, while in comparison co2 is based on the carbon-oxygen bond which is way more versatile and forms more reactive things like alcohol and peroxides just as easily as inert stuff. Plus, given that oxygen is more common, there will be more oxygen to work with, so you might as well use it. A great oxygenation event will happen, and no great florinization will happen.
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Does there even exist an alternative to oxygen which could get a âgreat oxygenationâ of itâs own?
if your planet was utterly oxygen free (good luck having water, thatâs 1/3 oxygen) chlorine or fluorine yeah. Alternately you could have a reducing chemistry but those donât work at normal temperatures and I donât understand them, plus thatâs basically a form of exotic life. However, oxygen is by far the most likely.
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Going without oxygen pretty much results in exotic lifeforms as it seems.
Also as the multicellular stage split is coming, I can guess this and many more threads relating to the âmacroscopic substageâ will be re-categorized.
This will also mean that there will now be 4 âevolution stagesâ, 1 âintermediate stageâ (awakening) and 3 âcivilization stagesââŚ
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Considering the following:
1: Ruminant digestion involves bacteria with Methanogenesis (carbon respiration that produces methane), and
2: Theoretical life on Saturnâs moon Titan is proposed to be methane respiration based
I would hope that eventually methanogenesis and methane respiration makes it in to Thrive, though they are not by any means a top priority at this time. Even if the devs program a type of digestion that relies on endosymbiosising bacteria with a type of anaerobic respiration not yet included to work without actually including said form of anaerobic respiration in the game, eventually someone will probably mod methane respirating in to simulate theoretical Titan life forms. I think the second is a matter of time. I am really curious how the first will be handled when Thrive gets that far.
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I donât know why this isnât ever talked about but what would titanâs autothrops even use for producing energy? Surely not sunlightâŚ
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I think that if there is at least 20 lx, and the atmosphere is not too dense, then they will be able to use photosynthesis. Besides, no one has cancelled chemosynthesis.
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Only a tiny fraction of Earthâs doses of sunlight gets to Titanâs surface through.
Could this wield the production of some compound whichâd act as oxygen but at the same time not set the moon ablaze?
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It is impossible that respiration and combustion work on the mechanism of oxidation.
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Right. Even then life on titanlike planets is unlikely to get added as of the present.
And besides that, Titan as we know appears to be a rather young objectâŚ
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Titan-y lifeforms are very out there alternate biochemistry. The only viable alternative to an earth-like planet (super earths work until space stage, so i just mean kinda earth-like) imo is an ice moon with underground oceans, and those could not advance past single cell stage due to a lack of sunlight. It would still be a fun modded in planet type.
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I mean, couldnât they chemosynthesize stuff to allow for becoming more advanced?
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Yeah, but that doesnât scale like photosynthesis. You can just run out of chemicals to work with, unlike the sun.
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They can still last for a long time if the moon in question is large enoughâŚ
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The moon will likely have geologic stress from orbiting the gas giant, which can actually make more chemicals. Iâm saying you wouldnât want to outpace your meager flow of chemicals, not that youâre doomed forever.
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And thatâs a large problem⌠And an another reason why the vents arenât so good for smeltaling the lead.