Question

Which of these is NOT a characteristic of flatworms?

A. Sense light with simple eyes
B. Most are parasitic
C. Have bilateral symmetry
D. Have an entire system of digestive organs

Answer 1

The answer to it is D

Answer 2

Answer: D

Explanation: This means that the digestive tract has only one opening. Their digestion takes place in their gastrovascular cavity and they don't have a respiratory system.