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Originally posted by worldwatcher
okay if it is that small and it is in the tracks that the rover left, perhaps then it might indeed be a martian snail of some sort?????
Originally posted by Esoterica
I doubt we're going to see Martian Fauna running across the plains. If there's no plants, then there's no dynamic atmosphere (CO2->O2), which means that breathing animals are all going to suffocate eventually.
but it's martian!!!! it probably doesn't need to breathe in the same sense that we do?
Originally posted by NetStorm
Who said they had to breathe O2?
www-astronomy.mps.ohio-state.edu...
Why Earth has ozone layer
Early life breathes in CO2, breathes out O2 (like plants do today)
Photosynthesis converts CO2 to O2, more CO2 tied up in shells of dead ocean animals as life grows complex
2 billion years ago:
detectable amounts of O2 in atmosphere, makes ozone layer, blocks UV light from Sun
Ozone layer allows ocean life to colonize land
O2 abundance (amount) rises, CO2 abundance drops
Originally posted by worldwatcher
why does the "thing" even need to breathe?
think out of the box people...if it is martian, it is alien, who ever said aliens need to breathe? perhaps life elsewhere doesn't evolve the same way life on earth does?
i'm just playing devil's advocate here, I have no clue what the "thing" is and if it is alive or dead, just find it strange how many anomalies are showing up and also that thing seemed to have moved.
Originally posted by ljbako
i agree worldwatcher, we need to think out of the box when thinking about alien life
Originally posted by Esoterica
[
Well, all life needs to bring is material and expel material. Unless it's managed to eat dirt, it's going to need air
Originally posted by Esoterica
Well, the other problem is, that something that size isn't going to have evolved all by itself. We aren't going to find just one snail on Mars. There needs to be some other life (most likely bacterial, maybe algae or fungus), there'd probably be plant life. I'm just skeptical we'd be finding just one little snail in a great expanse of desert, and absolutley nothing anywhere else.
Originally posted by worldwatcher
Originally posted by Esoterica
[
Well, all life needs to bring is material and expel material. Unless it's managed to eat dirt, it's going to need air
SOo it could be a sand crab type creature that eats dirt, as someone else had suggested
but doesnt' Mars have dust storms? Isn't that some type of "air" that is creating and moving these dust storms? perhaps that "thingy" does "breathe" the martian atmosphere???????
hmmm, seems to me, there is green algae or something like that on mars the mars express sent back these really interesting pics, you should take a look, it is possible.