Principles of Evolution

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What is evolution in biological terms?

Evolution is the change in the heritable traits of biological populations over successive generations.

Who proposed the theory of natural selection?

The theory of natural selection was proposed by Charles Darwin and Alfred Russel Wallace.

What are genetic mutations?

Genetic mutations are changes in the DNA sequence of an organism's genome.

What is the role of genetic drift in evolution?

Genetic drift is the change in the frequency of existing alleles in a population due to random sampling of organisms.

What did Darwin observe in the Galápagos Islands that contributed to his theory?

Darwin observed finches with varied beak shapes suited to their specific diets in the Galápagos Islands, a key insight for natural selection.

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