Cyclostomata Flashcards
1
Q
What kind of vertebrata is cyclostomata
A
Agnatha (jawless)
2
Q
Cyclostomata are aka
A
Jawless fish
3
Q
Habitat of cyclostomata
A
Marine + ectoparasite on some fishes
4
Q
Body structure+ how many gill slits in cyclostomata
A
Elongated w 6-15 pairs of gill slits
5
Q
Mouth structure in cyclostomata
A
Sucking and circular mouth without jaws
6
Q
Body of cyclostomata is devoid of
A
Scaled and paired fins
7
Q
Cranium and vertebral column of cyclostomata is made of
A
Cartilage
8
Q
Circulatory system in cyclostomata
A
Closed
9
Q
Describe reproduction and life cycle of cyclostomata
A
Tho marine they migrate for spawning to fresh water and die within a few days after spawning
Larva after metamorphosis return to ocean
10
Q
Petromyzon
A
Lamprey
11
Q
Myxine
A
Hagfish
