Given the question: Fact 1: Flatworms belong to the phylum Platyhelminthes. Fact 2: Flatworms are bilaterally symmetric. Given the two facts above, answer the question "What is true about the phylum Platyhelminthes?" with the following options: - 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
The answer is:
they have bilateral symmetry