the word used to describe when a species no longer exists
extinct
the gradual change of a species over time
evolution
a group of species who are similar and can mate amongst eachother
species
a trait that helps an organism survive and reproduce
adaptation
any difference between members of the same species
variation
changes in the DNA
mutation
the process by which a new species evolves from another species
speciation
random changes in gene frequencies
genetic drift
same structure, but different function
homologous organs
same function but different structure
analogous
closely related species evolve to have differences in their structures
divergent evolution