Which of the following is associated with El Niño? A decrease in droughts
A decrease in landslides
An increase in crop yield
An increase in severe winter storms

an increase in severe winter storms

Explanation:

because or that El niño is like telling the weather but the explanation for the question is letting us know when winter season comes

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.