Step 1: Read the poem carefully.
The poem describes the poet's fondness for eating foods similar to what a rabbit eats. The poet calls this a "rabbit habit."
Step 2: Identify the specific line.
The line clearly states: "I like to crunch and chew on celery logs and carrot sticks." This directly answers the question.
Step 3: Conclusion.
Therefore, the poet likes to crunch and chew on celery logs and carrot sticks.
Step 1: Careful reading.
The poem shifts from "crunch and chew" to "chomp and munch" in the second stanza.
Step 2: Locate the line.
The poet says: "I like to chomp and munch on crispy green and juicy grapes."
Step 3: Conclusion.
So, the poet likes to chomp and munch on crispy green and juicy grapes.
Step 1: Observe the ending.
The poem concludes with "Mmmm ... rabbit food for lunch!"
Step 2: Interpretation.
Here, the poet is summarizing all the crunchy and munchy fruits and vegetables as rabbit food, which he enjoys.
Step 3: Conclusion.
Therefore, the poet likes rabbit food for his lunch.