yes
no only insects and worms have a ganglia
yes
round worms are round and flat worms are flat!
No, flat worms are not vertebrates.
Flatworms can have segmentation. :)
Segmented Worms (Phylum Annelida) have two cerebral ganglia which are considered primitive brains. They are the simplest animals with this characteristic.
Worms do not actually have brains, but they do have nerve ganglia, which are like very tiny brains. There are many different kinds of worms, and they do not all have the same ganglia.
Round worms, segmented worms, and flat worms
Tapeworms. Flukes and Planaria are also other examples of flat worms.
flat worms,segmented worms, and round worms.
No
All vertebrates have ganglia of some sort, but there are many different types of ganglia, from dorsal and spinal to autonomic, basal, sympathetic, and other types. Humans have basal ganglia, which makes up a section of the brain.