Show:
Fish
Amphibians
Reptiles
Birds
Mammals
100
The most common class of fish
What is Bony Fish?
100
Animals that live both in and out of water
What are Amphibians?
100
The material of which scales are made
What is Keratin?
100
Epidermal growths that form an outer covering
What are feathers?
100
Vertebrates that typically give birth to live young
What are mammals?
200
The class containing sharks and rays
What is Cartilaginous Fish?
200
The larval stage in the lifecycle of an Amphibian (particularly frog or toad)
What is a Tadpole?
200
A three chambered organ that pumps blood around the body
What is the heart?
200
The layer of fine feathers found underneath the outer feathers of most aquatic birds
What is Down?
200
The group to which humans belong
What is Placental Mammals?
300
Agnatha
What is another name for Jawless Fish?
300
The greek word meaning "tailless", also a main group of amphibians.
What is Anura?
300
A main respiratory organ used in breathing
What are lungs?
300
Organ that stores food for later
What is the Crop?
300
A part of the cerebral cortex and a brain region unique to mammals
What is the Neocortex?
400
The breathing structure in a fish
What are gills?
400
The class containing newts and salamanders
What is Caudata?
400
The method in which eggs are fertilized
What is internal fertilization?
400
The organ that grinds food
What is the Gizzard?
400
Mammals that lay eggs
What are Monotremes?
500
A system of sense organs running along the side of aquatic vertebrates
What is the Lateral Line?
500
The first stage of life as a frog
What is Frog Spawn?
500
The heat regulation method of modern reptiles
What is ectothermal?
500
Long, stiff, asymmetrically shaped, but symmetrically paired feathers on the wings or tail of a bird
What are flight feathers?
500
Specialized glands that produce milk to feed young
What are mammary glands?