Which statements describes characteristics of earths geosphere? check all that apply

Its is mostly solid, it includes Earth's surface, It includes earth's interior

Explanation:

next time put the choices but here is your answer.

answer; ///i believe that the correct answer is (a) specialized cells)

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.