Which of the following fishes has a jaw,

scales, and a cartilaginous skeleton?



a. lampreys
b. goldfish
c. coelacanths
d. sharks
e. more than one of these


D

Biology & Microbiology

You might also like to view...

Which situation is most likely to decrease genetic variation?

A. directional selection B. mutation C. stabilizing selection D. diversifying selection

Biology & Microbiology

Some pesticides can trigger

a. hives. b. joint pain. c. headaches. d. asthma. e. all of these.

Biology & Microbiology

Which of these structures is derived from an ancestral air-breathing lung in ray-finned fishes and is

used to increase buoyancy?

a. swim bladder b. spiral valve c. operculum d. atrium e. lateral-line system

Biology & Microbiology

________ cells provide for a rapid secondary immune response.

A) Memory B) Effector C) Cytotoxic T cells D) Mast E) Dendritic

Biology & Microbiology