Natural Selection of Giraffes
Siužetinės Linijos Tekstas
- Let's take a look at the Theory of Evolution by Natural Selection in Giraffes. 
- Mutations in the DNA cause giraffes to have different length necks. Some giraffes have longer necks, and some are a bit shorter. 
- Due to the fact that some giraffes have longer necks, it is easier for them to eat the leaves from trees, and see predators coming easily. The giraffes with shorter necks are in competition with the taller giraffes, and also other animals because they eat from shorter plants, so they are less likely to survive.
- Eventually, the giraffes with shorter necks will die out, and the giraffes with longer necks will be the only ones reproducing. 
- Because the giraffes with long necks are the only ones reproducing, the offspring will also have longer necks and will be more likely to survive.  
- Giraffes have adapted to their environment through Natural Selection by evolving a longer neck to compete with less animals for food, and to also see predators coming better. 
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