Definitions
Vertebrae.
Which organ is responsible for providing oxygen to the blood?
The gills.
The sense of smell.
Which fish are commonly referred to as "trash fish"?
Carp.
What is the most sensitive food-finding mechanism that sharks have?
Their 3-D electrical field sensor.
What are the blood vessels called that carry blood away from the heart?
They are called arteries.
Which blood vessel carries blood away from the heart?
The ventral aorta.
Name two differences between alligators and crocodiles.
Alligators have thick, blunt snouts, while crocodiles have thinner, more pointed snouts. When their mouths are closed, you can see teeth in a crocodile's mouth, but you cannot see teeth in an alligator's mouth.
What type of life cycle do salmon have?
They have an anadromous life cycle.
Which fins do sharks use for swimming?
They use the pectoral fins and the caudal fin.
What is the name of the heart chamber from which blood is pumped out to the body?
The ventricle.
Are the efferent brachial arteries oxygen-rich or oxygen-poor?
Oxygen-rich.
Which order of reptiles has animals with large shells on their back?
Order Testudines.
Which fins do bony fishes use for defense against predators?
They use their anterior dorsal fins.
Which fins do sharks use in reproduction?
Sharks use their pelvic fins for reproduction.
What is ovoviviparous development?
Ovoviviparous development is development that occurs in an egg that is hatched inside the female's body.
If blood flows toward the tail of a fish, which vein will take it back to the heart?
The posterior cardial vein.
If a reptile in order Squamata has eyelids and can hear, is it a snake or a lizard?
It is a lizard.
What is the structure called that covers a bony fish's gills?
The operculum.
Which fish has a special symbiotic relationship with sharks?
The remora.
What is a notochord?
A notochord is a rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support.
Name two oxygen rich arteries.
The efferent brachial arteries and the dorsal aorta.
Which order of reptiles has animals with spines on their backs?
Order Sphenodontia.
What is the difference between lobe-finned fishes and ray-finned fishes?
Lobe-finned fishes have thick, flesh fins with quite substantial support bones. Ray-finned fishes have fins made of bony, slender spines connected by a thin covering of skin.
Name two differences between rays and skates.
Rays have slender, whiplike tails, while skates have thicker fleshy tails. Rays are ovoviviparous or viviparous, while skates are oviparous.