Fish Flashcards
(26 cards)
What is the term for extant lobe fin fish?
Coelacanth
What is the process of becoming spinal cord called?
Dorsal hollow nerve cord
What is the ancestor of terrestrial animals?
Tiktaalik.
What is the aquatic respiratory apparatus called?
Gills
What chamber is responsible for the pumping of blood in the heart?
Ventricle
.
What are segments of the backbone called?
Vertebrae
What phylum includes animals with backbones?
Chordata
What is the name of the blood collecting sac posterior to the atrium?
Sinus venosus
What era is referred to as The Age of Fishes?
Devonian Period
What is the function of regulating water and salt concentrations in aquatic animals?
Osmoregutation .
What is the term for a chamber of the heart?
Atrium
What subgroup of fishes has true bones?
Lobe finned fishes
What is the muscular tube connecting to the aorta called
Bulbosarteriosus.
To be gills in fishes and jaws in humans
Pharyngeal pouches
What are aquatic stabilizers in fish known as?
Fins
What structure extends beyond the anus in aquatic animals?
Tail
What type of fishes includes cartilaginous fishes like rays and chimaeras?
Chondrichthyes
What is the movement detecting structure down the length of a fish’s body called?
Lateral line
What are ray-finned fishes known as?
Ostelcntnyes
What is the subphylum of cephalochordates?
Lancelet
What supporting structure for limbs is known as?
Girdles
What is the embryonic life stage supporting structure called?
Notochord
What is one of two major developments in fish?
Jaws
.
The sessile adult but motile larval form
Tunicate
