Reply to Re: Evolution
If you don't have an account, just leave the password field blank.
@ToKu: you are right that mutations can cause non-functioning of an organism. But to take your example, let's say a mutation makes some building block slightly stronger than the building blocks in the previous building. This means you might be able to build a slightly bigger and taller building because of the stronger foundations. In quite a few generations, these beneficial mutations allow you to go from a simple house to a skyscraper, if being a tall building was somehow favorable. To keep talking in biological terms, if a house can't reproduce with a skyscraper, the skyscraper can be considered a new species.
I should note though that the analogy only goes so far because buildings don't have survival pressure or a need to grow taller to have better chances of survival. Similarly, speaking about reproduction between different types of buildings makes not so much sense. However, for an organism, you can indeed talk about the need to survive and the ability to fit to the environment.
I should note though that the analogy only goes so far because buildings don't have survival pressure or a need to grow taller to have better chances of survival. Similarly, speaking about reproduction between different types of buildings makes not so much sense. However, for an organism, you can indeed talk about the need to survive and the ability to fit to the environment.
