The image shows an earthworm. An earthworm has a
digestive tract that moves soil through its body.
Which two types of structures make up the earthworm's digestive tract?
A. Specialized cells
B. Tissues
C. Unicellular organisms
OD. Organ systems
![The image shows an earthworm An earthworm has a digestive tract that moves soil through its body Which two types of structures make up the earthworms digestive class=](https://us-static.z-dn.net/files/d32/9e63b5a4102be21682548ea1ab778e75.png)