Which statement best describes the relationship between an allele's frequency and its dominance? Frequency and dominance are the same thing. A dominant allele always has the highest frequency. A dominant allele usually has the highest frequency. Frequency results from environmental stresses, not dominance.

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.

answerdendrites; blank(2) axons;