(L1) The plasma membrane of a cell is selectively permeable (or semi-permeable), which means it A. controls all cellular activities.

B. is responsible for asexual reproduction.
C. allows some materials to pass.

D. has a carbohydrate foundation,

C. Allows some materials to pass.

Explanation:

c

Explanation:

Being selectively permeable means that it selects what comes in and what goes out.

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 correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation: