Unknown Story
Kuvakäsikirjoitus Teksti
- One day, a father and his son were walking in a forest and suddlenly, the boy said :
- Dad ? Why those birds aren't the same color ?
- Oh ! I was waiting for this question. We're going to come back to our house and I will explain this to you.
- mutation
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- Look at this man. As you can see, at the beginning he's a normal human. But thanks to a mutation he became a superheros because superpowers appaeared. It's an example of a benefical mutation.
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- Natural selection is the process that results in the adaptatio nof an organism to its environment by means of selectively reproducing changes in its genotype, or genetic consitution. Thanks to this change, the population will be better able to survive and this change will be hereditary, that is to say that it will become more common in the future generations. This phenomenon decreases the biodiversity
- What is natural selection ?
- For example, we can imagine a group of birds. Some are green and some are blue. Let's imagine that a cat eats the green ones, there will be only the blue ones left and the green birds green birds will not exist anymore because they will not have been able to reproduce
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