If the phylum Platyhelminthes is bilaterally symmetric, then what is true about the phylum Platyhelminthes?

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

 

   they have bilateral symmetry       