Evolution is a change in the characteristics of living things over time.
Almost all physical characteristics are genetic traits, inherited from parents.
Evolution is a change in the genetic traits of living things over time.
Evolution is a change in the genetic traits of living things over what?
(1) universes
(2) HIV
(3) long
(4) extinct organisms
(5) dead things
(6) time
(7) H 2 O
(8) years