In south Carolina, the greatest killer of Native Americans was? A: Wars between natives and Europeans

B: new diseases brought by Europeans

C: Poor diet and living conditions
D:Changing climate conditions in the state

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.

. the sierra madre fault zone of southern california

. the san andreas fault california