fish vocab Flashcards
Vertebral Column
protects dorsal nerve cord
Neural crest
a group of cells that develop from the never cord in vertebrates
fin
a paddle shaped structure on a fish or other aquatic animal that is used for balance, and propulsion
scale
small,flat pate like structure near surface of skin
Operculum
a movable flap that covers the gills and protects them
Atrium
the chamber that receives blood from the heart
Ventricle
a chamber of the heart that pumps blood from the heart to the gills
Nephron
a filtering unit for the kidney, helps maintain salt and water balance
Lateral line
enables fish to detect movement in water
Spawning
they release gametes near each other to reproduce
Swim bladder
gas filled space, allow fish to control depth
Jawless fish
hagfish
Cartilaginous fish
sharks
Bony fish
ray-finned fish and lobed finned fish , (stingrays)
Bowfin/Dogfish
3 fins on bottom. 1 long dorsal fin. spot on base of tail