you can make them freak out by touching them. they start swimming in a different direction and sometimes run into things because they can only see light not details.
Planarians have bilateral symmetry.
Yes, planarians are non-parasitic flatworms
Planarians are neither parasitic or segmented. They are flatworms.
The structures that enable planarians to expel liquid waste are normally pores. The pores are found on the dorsal surface of the planarians.
Platyhelminthes
Planarians move by expanding and contracting their bodies as they grip a surface.
Yes
Yes, all organisms have scientific names. Thus planarians have scientific names too.
Platyhelminthes.
other worms
yes they do
Planarians are carnivorous creatures that feed on small invertebrates like worms, snails, and insect larvae. They use their muscular pharynx to suck in their prey and digest it externally. Planarians are opportunistic feeders and will also scavenge on decaying organic matter.