Biology
Genetic Variation as a Foundation for Natural Selection
Quick fact
Genetic variation is the raw material upon which natural selection acts, enabling species to adapt to changing environments over time.
Why this is interesting
Have you ever wondered why some individuals in a population survive better than others? The answer lies in genetic variation and natural selection.
Read the full explanation
Understanding Genetic Variation as a Foundation for Natural Selection
Natural selection requires both heritable traits and environmental pressures. Genetic variation ensures that some individuals possess advantageous traits for survival.
A deeper explanation
Genetic variation arises through mutations, sexual reproduction, and gene flow. When environmental conditions change, individuals with genetic traits better suited to those conditions are more likely to survive and pass on their genes. This process is the engine of evolutionary adaptation.