What living systems have distinct structures and sets of functions? Be sure to refer to class notes for 2.02. Question 1 options:

cells

tissue

All of the listed answers have distinct structures and sets of functions

organisms

Answer

Estoy muy triste por tener que regalar a mi perro

answer; ///i believe the answer is (antioxidant);

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.