How do organisms evolve?
5 Mechanisms of Evolution
Macroevolution
Microevolution
Skin Color
Directional
Stabilizing
Disruptive :
Melanin
Eumelanin
Pheomelanin
UV rays
Equator
Poles
Folate
Vitamin D
Cap
Darker
Lighter
Homologous Structures
Vestigial Structures
Analogous Structures
Convergent evolution
Divergent evolution
Coevolution
Reproductive Isolation
Geographic Isolation
Temporal Isolation
Behavioral Isolation
Ecological Isolation
Gene Flow
Genetic Drift
Nonrandom Mating
Selective Breeding
Gene Pool
Bottleneck Effect
DNA mutations
Natural Selection
Charles Darwin
Alfred Wallace
Phylogenetic Trees
Survival of the Fittest
Fitness
Deleterious traits
Cladograms
Clades
DNA Differences
Genetic Timeline
Ancestral Data