Evolution is the process by which populations of organisms can change over time How is directional selection related to evolution?

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

satellites are frequently used to make observations of the orbit on earth