Things Imp In Zoo Flashcards
(15 cards)
Example of placodermi
Climatius
Chondrichthyes endoskeleton
Cartilage, cartilagenos fishes
Notochord in chondrichthyes
Throughout Life
Endo of chondrichthyes
Placoid (v shaped)
Teeth of chondrichthyes
Modified placoid and backward directed
Gills in chondrichthyes
5-7 uncovered
What is electroreceptor in chondrichthyes
Ampulla of lorenzini special structure
Male have which organ to hold his female on the time of reproduction
Copulatory organ claspers
Dog fish scientific name
Scoliodon
Great white shark aka
Carcharodon
ABOUT torpedo
Electric ray modified muscle act as electricity production
What is connecting link btw bony and cartelaginous fish
Chimera ghost fish
Endo and exo in osteichthyes
Bony
Cycloid
What character are absent in osteichthyes and present in chondrichthyes
Cloaca, scroll valves,anus present in osteichthyes tail equal homocerceal
Gills of osteichthyes
4 pair only and covered