Evolution
Definition 1 of 3
Pro Tip 1/3
Time Span
Evolution in biology often implies changes over millions of years, not quick transformations. Scientists study fossils to understand the evolution of dinosaurs.
Pro Tip 2/3
Common Misconception
'Evolution' doesn't mean 'improvement'; it refers to adaptation to an environment. The evolution of the species resulted in diverse forms, not necessarily better ones.
Pro Tip 3/3
Natural Selection
Evolution often involves 'survival of the fittest' which means the best adapted survive. Giraffes' long necks are a result of evolution through natural selection.