Use reasoning to answer the following question. What is true of all adult sponges?\nOptions:\n- (A) they are immobile.\n- (B) at or near the margins\n- (C) They may not survive.\n- (D) water conservation\n- (E) Light passing through water\n- (F) competition\n- (G) To keep their body heat.\n- (H) permineralization
User
Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.
So, the answer is (A).
Assistant