Aserious side effect associated with typical antipsychotic medications is a neurological condition characterized by abnormal and involuntary movements. this condition is called

The condition that is being described above is tardive dyskinesia. This is a side effect when an individual has ingested or is taking up medications that are anti psychotic and this will likely cause the individual to acquire movement disorder.

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.