If a mother is affected by an X-linked dominant condition and the father is not, which children can inherit the condition? A. only females B. both males and females C. neither males nor females D. only males

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.

b a mature ovary of a plant.

the answer is true ; ) have a good day