evolution is the change in characteristics of what over time?
gravity animals vegetation h2o density organisms alleles humans
A B C D E F G H
An organism is a living thing.
evolution is a change in the characteristics of organisms over time
evolution is the change in characteristics of what over time? (A) gravity (B) animals (C) vegetation (D) h2o (E) density (F) organisms (G) alleles (H) humans