Will give a crown which of the following best explains why there are significantly more deaths in south-east asia due to the measles? a. the strain of measles virus in south-east asia is different from the other regions listed. b. more people live in south-east asia than in the other regions. c. less people in south-east asia have received a measles vaccination. d. there are more deaths in south-east asia than in the other regions added together.

Chose "A" like apple If im wrong you can roast me

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.

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck