Fish Flashcards
The “spine”
Vertebral Column
Cells are a temporary group of cells unique to the vertebrates that arise from the embryonic ectoderm
Neural Crest
What fish use to propel through the water.
Fin
Bony plates protecting the skin of fish.
Scale
A structure that covers the gill.
Operculum
Chamber of the heart that receives blood from the veins.
Atrium
Two main chambers of the heart. (Right and Left)
Ventricle
Each of the functional units in the kidney.
Nephron
Visible line along the side of the fish.
Lateral Line
Eggs and sperm released by aquatic animals.
Spawning
A gas-filled sac present in the body of bony fishes used to control buoyancy,
Swim Bladder
ex: Lampreys. Long cylindrical body.
Jawless fish
ex: Sharks. Skeleton of cartilage instead of bone.
Cartilaginous Fish
ex: Most modern fish. Skeleton of bone.
Bony Fish
Spanning 60 Million years from the end of the Silurian to the beginning of the Carboniferous.
Devonian Period