While we don't see her in the story, she plays an important role in the narrative. She is mentioned often, especially in the movie, and she is a source of strength and inspiration for Mrs. Frisby.
Here's what we know about Teresa:
* She was a strong and resourceful woman. She was a skilled herbalist who knew how to use natural remedies to heal.
* She was a loving mother. She cared deeply for her children and would have done anything to protect them.
* She was brave and determined. She was a champion of her people and believed in fighting for what was right.
Teresa's legacy is passed down to Mrs. Frisby, inspiring her to be brave and fight for her family's survival.