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Let's talk about plants!
One of the interesting aspects of a high-oxygen atmosphere is the tendency for things to burn. Lots. Earth actually went through this before, a couple of times, but that's besides the point.
The point is that easily-flammable plants are extremely unfavored due to the BURN BURN BURN BURN BURN AHAHAHAHA nature of the environment. So the majority of plants will develop resistance to fire - a thick woody bark, for example, possibly reinforced with metals and/or minerals like a shell or animal armor. In order for a less flame-resistant plant to survive, it would need to have developed a flame-resistant reproductive system - nuts, for example.
An interesting note on that point is that the majority of plants that produce nuts on Earth are in fact woody plants with coarser bark.
In contrast to the flammability of above-ground elements, however, one has plants which are based on a root system - something like grasses. The flames could completely raze an entire grassland, but the grasses could have developed storage node things so they have the energy to re-sprout. They would need to be very fast growing, as the fires would be a fairly frequent occasion in this scenario.
Additionally, the higher flammability levels from the oxygen-rich air means that lower elevation locations - such as valleys - are at greater risk of destructive conflagrations than higher elevations - such as mountain sides or plateaus. I'd imagine that the vegetation of such lower-altitude areas would thusly be very tough and woody, in contrast to the lush valleys we envision on earth. I imagine they would grow primarily upwards (as opposed to branching), reaching for a) the sunlight, and b) less flammable environments for the relatively tender and unprotected leaves (a.k.a. photosynthesizing elements).
The point is that easily-flammable plants are extremely unfavored due to the BURN BURN BURN BURN BURN AHAHAHAHA nature of the environment. So the majority of plants will develop resistance to fire - a thick woody bark, for example, possibly reinforced with metals and/or minerals like a shell or animal armor. In order for a less flame-resistant plant to survive, it would need to have developed a flame-resistant reproductive system - nuts, for example.
An interesting note on that point is that the majority of plants that produce nuts on Earth are in fact woody plants with coarser bark.
In contrast to the flammability of above-ground elements, however, one has plants which are based on a root system - something like grasses. The flames could completely raze an entire grassland, but the grasses could have developed storage node things so they have the energy to re-sprout. They would need to be very fast growing, as the fires would be a fairly frequent occasion in this scenario.
Additionally, the higher flammability levels from the oxygen-rich air means that lower elevation locations - such as valleys - are at greater risk of destructive conflagrations than higher elevations - such as mountain sides or plateaus. I'd imagine that the vegetation of such lower-altitude areas would thusly be very tough and woody, in contrast to the lush valleys we envision on earth. I imagine they would grow primarily upwards (as opposed to branching), reaching for a) the sunlight, and b) less flammable environments for the relatively tender and unprotected leaves (a.k.a. photosynthesizing elements).
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Also, is this the world with all the horns & antlers? Because you should totally have jackalopes.
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And yes, I will. >D
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