Which of the following is not a direct function of the vertebrate liver?
(a) synthesis of plasma proteins
(b) carbohydrate metabolism
(c) deamination
(d) reabsorption of water
(e) detoxification

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: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times