Answer:
A. Lancelet
B. All chordates
Explanation:
A. Dorsal nerve chord is the only <u>unique feature</u> among all members of <u>phylum chordata</u> (mainly found in subphylum Vertebrata). In the given list, only lacelet is the Chordate whereas <u>snail belongs to phylum Mollusca</u>, <u>grasshopper belongs to Arthropda</u>, and <u>jellyfish belongs to Cnidaria</u>. Dorsal nerve cord runs along the length of organism's body.
B. <u>Gill slits</u> are <u>opening structures</u> to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.
Answer:
releasing cytokines that will destroy the foreign cells.
Explanation:
Here is the complete question
A client's exposure to an infectious microorganism has stimulated the client's immune response, including activation of effector (cytotoxic) T cells. These cells will help to eliminate pathogens by:
releasing cytokines that will destroy the foreign cells.
stimulating B cells to become more immunologically active.
releasing antibodies from within their cells membrane.
initiating the inflammatory response.
Answer:
Im not 100% sure but I believe the answer is A
Explanation:
