| A | B |
|---|
| porifera | individual cells digest food particles |
| cnidaria | enzymes in gastrovacular cavity break down prey |
| plathyhelminthes | nutrients are absorbed from the environment |
| nematoda | digestive tract has both anus and mouth |
| mollusca | digestive tract has both mouth and anus |
| annelida | the digestive tract has both mouth and anus |
| arthropoda | a digestive tract has both mouth and anus |
| echinodermata | the digestive tract has both anus and mouth |
