In a family of four chickens all four chickens have blonde hair and blue eyes. which statement best explains why all four children have blue eyes? a. are for chickens are the same gender b. off for chickens have genes or blue eyes c. all four tickets had the same type of diet d. awful chickens are the same height

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.