fish vocab Flashcards
series of vertebrae extending from the base of the skull to the tailbone
Vertebral Column
group of cells that develop into a variety of tissues
Neural crest
flattened appendage used for propelling/steering/balancing
Fin
hard, bony plates that form the covering of fish
Scale
gill cover of fish & amphibians
Operculum
chamber of the heart that receives blood from the veins and pumps it into a ventricle
fish have 1 atrium
Atrium
fish have 1 ventricle
a chamber of the heart, having thick muscular walls, that receives blood from the atrium and pumps it to the arteries
Ventricle
One of the units of the kidney that filter waste products from the blood and produce urine.
Nephron
A series of sensory pores along the head and sides of fish and some amphibians by which water currents, vibrations, and pressure changes are detected.
Lateral line
offspring of fish
Spawning
A gas-filled structure in many fishes that functions to maintain buoyancy and, in some species, to aid in respiration or to produce sound
Swim bladder
fish that have no jaws or paired appendages
Jawless fish
skeleton consisting of cartilage rather than bone
Cartilaginous fish
skeleton consisting of bone rather than cartilage
Bony fish
fish first appeared in this period
Devonian Period