Stroke victims that experience paralysis on only the left side of their body suffer from this type of condition: hemiparesis hemiplegia paraplegia quadriplegia submit

The right option is; Hemiplegia

Hemiplegia is the paralysis that affects one half side of the body. Hemiplegia affects an arm and a leg on the same side and it can be either left or right side of the body. Hemiplegia is caused due to injury to the brain area that controls movements of body parts such as trunk, limbs, and face. Right hemiplegia is caused by injury to the right side of the brain while left hemiplegia is caused by injury to the left side of the brain. The level of hemiplegia of paralysis differs from an individual to another and it may change over time.

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.