fish and fishing Flashcards
The main skeletal structure in a fish
Vertebral Column
a temporary group of cells unique to vertebrates that arise from the embryonic ectoderm cell layer
Neural crest
Flat appendages used to swim
Fin
Little plates that cover a fishes body
Scale
covers the gills
Operculum
each of the two upper cavities of the heart from which blood is passed to the ventricles
Atrium
the two biggest cavities in the heart
Ventricle
regulates the amount of water in the body and filters wastes from the blood to produce urine
Nephron
a visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration
Lateral Line
Female fish release eggs, male comes by and fertilizes them #reproduction
Spawning
Gas filled sac used to maintain and control buoyancy
Swim Bladder
Fish that lack jaws
Jaw-less Fish
Fish that have a skeleton made of cartilage
Cartilaginous Fish
Fish that have a skeleton made of bones
Bony Fish
a geologic period and system of the Paleozoic 60 million years long
Devonian Period