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Evolution Vocabulary

Across
slow steady change in species
species that are not closely related evolve similar traits
gradual change from one species to another entirely different species
Are the raw materials upon which natural selection acts
change over time
occurs when certain traits increase mating success
changes in frequency due to change, resulting in loss of genetic diversity
Geologic process have constant rate through time
the observable gradual change within a single species
Formation of two or more species from one existing species
Down
timing prevents reproduction between populations
caused by differences in courtship or mating behaviors
adaptations involving structure or anatormy
survival of the fittest
are products of evolution by natural selection