Question

select the correct answer. gina is scuba diving when she notices a large fish glide over her. it has a flattened body and she notices gills on its underside. which taxonomic group does the fish belong to? a. selachii b. batoidea c. sarcopterygii d. actinopterygii

Explanation:

Batoidea are cartilaginous fish with flattened bodies and gill - slits on their underside. Sharks (Selachi) have more streamlined bodies. Sarcopterygii are lobe - finned fish. Actinopterygii are ray - finned fish. The description of a flattened body with gills on the underside points to Batoidea.

Answer:

B. Batoidea