Which structure is a covering for the gill chamber in ray-finned fishes?
A) swim bladder
B) spiral valve
C) operculum
D) atrium
E) lateral-line system
Correct Answer:
Verified
Q26: Several lineages of extinct _ were jawless
Q27: Which lineage has the largest number of
Q28: Living members of the _ lineage have
Q29: Living members of the _ lineage include
Q30: The parasitic lampreys, living members of the
Q32: Fossil tooth parts of extinct _ suggest
Q33: Two extant species of coelacanths and six
Q34: A key trait that distinguishes gnathostomes from
Q35: Which structure is derived from an ancestral
Q36: Frogs and toads belong to the _
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents