What information supports the conclusion that Kirk acquired this trait?
Kirk is most interested in American history. Kirk learned history by reading.
Read the description of a trait.
Kirk knows a lot about history.
Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's life. Some acquired traits, such as riding a bicycle, are gained by learning. Other acquired traits, such as scars, are caused by the environment.