Base your answers to questions on the information below and on your knowledge of biology.

A woman wanted to remove the dandelion plants from her lawn. She went to the store
and bought an herbicide spray that was supposed to kill the dandelions. She sprayed it on
her lawn according to the directions. Within two weeks, almost all of the dandelions had
died; however, a few dandelions remained.

-- Explain how some dandelions were able to survive the spraying of the herbicide.
-- Explain why this herbicide might not be effective for controlling future generations of dandelions in
this lawn.