Theory Of Natural Selection

Mutation: These are changes in an organism's DNA sequence. They're like unexpected plot twists in a story - sometimes they can lead to interesting developments (beneficial mutations), other times not so much (harmful mutations).

Genetic Variation: This is the difference in DNA among individuals within a population. Imagine if you mixed up different colors of paint - each mix would be slightly different, just like each individual has slight differences in their genetic makeup.

Fitness: In evolutionary terms, fitness refers to an organism's ability to survive and reproduce effectively. It’s like being good at a sport – the better you are at it (the fitter you are), the more likely you'll succeed!