The map below shows an air mass that formed over the Gulf of Mexico at location a once air mass a reaches location b the weather conditions at b will most likely become HELP PLEASEE

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.

you know they are heterozygous for a trait because they have it as jj or jj.