Topic 5.1: Evidence for Evolution Flashcards
Define evolution
A change in the allele frequency of a population’s gene pool over successive generations
When does something provide evidence for evolution?
Something provides evidence for evolution when it demonstrates a change in characteristics from an ancestral form
Define selective breeding
Selective breeding is a form of artificial selection, whereby man intervenes in the breeding of species to produce desired traits in offspring
Define homologous structures
Anatomical features that are similar in basic structure despite being used in different ways are called homologous structures
Define speciation
The evolutionary process by which two related populations diverge into separate species is called speciation