Debate and discussion of any biological questions not pertaining to a particular topic.
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I've recently become inspired by an idea and I'm thinking of writing a short story revolving around it. The idea involves a lot of scientific themes, and while I'm not going to go the hard scifi route or follow the "rules" too strictly (it is fantasy, after all), I want to get people's thoughts on this idea.
So, the basic idea of the story is this-- What would happen if humanity died out for two hundred years, leaving nature unimpeded for that time, and then a small fraction of humanity was then resurrected to live in this new world? I'm thinking that there would be a ton of natural overgrowth, with moss clinging to everything. Also, I would think that since cities would be deserted, a lot of wildlife would venture in and new ecosystems would be created. Of course, I'm not in any way well-versed in science, so I'm probably 100% wrong.
So, in your opinion, what would happen if humanity suddenly died out, but all other natural organisms continued to live on? Would the natural order of things just become completely chaotic?
It's your story. It's up to you.
That's the beauty and magic of fiction. Everything you wish can happen in your mind and nobody can defy it. The question you need to ask yourself is what would happen that would be interesting and gripping enough to keep on writing.
Nobody can give you an exact and precise answer, so just follow your heart.
Just for curiosity, if all humanity died out, how would they come back to life?
This is actually quite well theorised topic, you could find tons of materials online. There was even documentary film and miniseries called Life After People. I didn't have time to watch it all yet but from what I saw, it seemed interesting. The truth is that 200 years is long time and at that time most of the human civilisation would be gone.
Cis or trans? That's what matters.
Hi Theongreyjoy. Interesting question. Lichens would increase a little because they hate pollution but I don't know about mosses. For them to increase the climate would have to get wetter. I don't think that we are affecting the water cycle to any great degree. We are affecting the heat cycle in a lot of ways and CO2 and greenhouse gasses are only a small part of this problem. There is also our considerable altering of the albedo, and all the extra heat we produce which is at least ten times the body heat of any individual,- even just our domestic heating, and would probably be more like a hundred times the heat of a man, if anyone took the trouble to make a proper count.
So if humanity suddenly disappeared the planet would suddenly be quite considerably cooler. However unless this sparked off another ice age it wouldn't damage the rest of life. On the continents the wild would take ove all the cities very rapidly, and areas that are largely jungle or savana would remain much the same. There would be a massive creation of new species as corridors reopened, but Island communities would fair badly initially. The main problem is that there are insufficient predators. We are the apex predator of the planet and with us gone some areas of the globe would turn into deserts if there were no large predators around to keep the ungulate population down. Predator numbers would have to increase, and move into new areas very rapidly to prevent the formation of more deserts. On islands and in areas where existing large predators couldn't penetrate the most predatory species present would have to take over the role. You would get giant rats or hedgehogs within a few generations.
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