Final answer:
The sentence should be corrected to use a colon (:)
Step-by-step explanation:
The correct sentence should be: Jalissa planted six trees in her yard: two oaks, two maples, and two elms.
By using a colon (:), we indicate that the following information elaborates or explains the previous statement. In this case, the sentence is explaining the types of trees Jalissa planted.
It is important to use proper punctuation to convey meaning accurately in writing.
Learn more about Correcting punctuation in a sentence