You are presented with the question "What is true about the phylum Platyhelminthes?" and the following answer choices: 
- a hemisphere is tilted away from the sun
 - biological diversity
 - they have bilateral symmetry
 - characteristics
 - Something with a head, thorax, and abdomen
 - sub-units of species
 - aerobic capacity
 - The number of individuals

Now knowing that flatworms belong to the phylum Platyhelminthes and flatworms are bilaterally symmetric, choose the best answer.


 

   they have bilateral symmetry      