I believe it is Nerve Cells
Correct me if I'm wrong.
If you're apart of K12 public online school and you're doing this lab report you can find the PDF for the common leaves sheet of the 10 leaves in 3.03 Dichotomous Key Investigation: Dichotomous Key under Materials then you just look at the example and instructions and fill out that way
The anwer is attached in the form of a file read it.
Answer:
B
Explanation:
the structure is their serrated teeth & the function is tearing into their prey.