I'm finding it hard to make this understandable to you. You have to stop thinking of human beings, and start thinking of them as organisms and cells, which is how we began. Cells are asexual, in that they do not have 2 sexes. They can reproduce by splitting in half. And you have to stop thinking of the world as many systems. We are all one big integrated system that feeds off each other. Things adapted and survived because those adaptations worked with the current environment. If they didn't work, then yes they died out.
Go back and read my example about the common cold. Species are able to prosper because their make-up worked. Most died out. If the world was bombed with a radioactive substance, we would all most likely die. However if we were able to survive long enough with radiation poisoning, then you will find that mutations would been occurring within cellular divisions. Enough mutations occurring means that a mutation might occur that is adaptive to the radiation. In that it instead of radiation being poisonous, it actually becomes beneficial. Now if this happened to enough people, these people would be able to reproduce with this adapted mutation and prosper. The rest of the people who did not have this accidental mutation and had alternative mutations, will die out. This is a very simplistic form of evolution. There are of course many faults with my example. Humans are now made up of so many cells that 1 cell mutation would not be enough to adapt the whole body. And secondly 6 billion people are a grain of sand in the desert in comparison to how many people would be needed to have a certain amount of successfully adaptive mutations.
Argh it's very hard to explain. Don't take my example as something to pick apart. I'm just trying to give you an idea. 1 million years into the future, instead of people asking "as a human, i cannot survive without food and water. Imagine, if food did not make into existence, what would be the situation?", they would be asking "as a human, i cannot survive without radiation. Imagine, if radiation did not make into existence, what would be the situation?".
I'm finding it hard to make this understandable to you. You have to stop thinking of human beings, and start thinking of them as organisms and cells, which is how we began. Cells are asexual, in that they do not have 2 sexes. They can reproduce by splitting in half. And you have to stop thinking of the world as many systems. We are all one big integrated system that feeds off each other. Things adapted and survived because those adaptations worked with the current environment. If they didn't work, then yes they died out.
Go back and read my example about the common cold. Species are able to prosper because their make-up worked. Most died out. If the world was bombed with a radioactive substance, we would all most likely die. However if we were able to survive long enough with radiation poisoning, then you will find that mutations would been occurring within cellular divisions. Enough mutations occurring means that a mutation might occur that is adaptive to the radiation. In that it instead of radiation being poisonous, it actually becomes beneficial. Now if this happened to enough people, these people would be able to reproduce with this adapted mutation and prosper. The rest of the people who did not have this accidental mutation and had alternative mutations, will die out. This is a very simplistic form of evolution. There are of course many faults with my example. Humans are now made up of so many cells that 1 cell mutation would not be enough to adapt the whole body. And secondly 6 billion people are a grain of sand in the desert in comparison to how many people would be needed to have a certain amount of successfully adaptive mutations.
Argh it's very hard to explain. Don't take my example as something to pick apart. I'm just trying to give you an idea. 1 million years into the future, instead of people asking "as a human, i cannot survive without food and water. Imagine, if food did not make into existence, what would be the situation?", they would be asking "as a human, i cannot survive without radiation. Imagine, if radiation did not make into existence, what would be the situation?".