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Fish
Amphibians
Reptiles
Internal Anatomy
Amniote Egg
100
These are the three classes of fish.
What are jawless, bony, and cartilaginous?
100
This is the process of changing form from a tadpole to a frog.
What is metamorphosis?
100
Thick & scaley skin, sharp teeth & claws, and venom.
What are adaptations for defense?
100
The structure the esophagus leads to in fish, amphibians, and reptiles.
What is the stomach?
100
The hard, porous, protective outer covering.
What is the shell?
200
These are the main structure of respiration.
What are the gills?
200
The structure of respiration in young amphibians.
What are gills?
200
The animals in the order Testinudes.
What are turtles, tortoises, and terrapins?
200
The term for cold-blooded.
What is ectothermic
200
This provides nutrition for the developing embryo/fetus.
What is the yolk sac.
300

This is the bony plate that covers and protects the gills.

What is the operculum?
300
The structures of respiration in adult amphibians.
What are lungs and skin?
300
The animals in the order Crocodilia.
What are alligators and crocodiles?
300
The site of sperm production in males.
What are the testes.
300
Provides a watery, cushiony environment for the developing embryo/fetus.
What is the amnion/amniotic fluid?
400
The fin that is responsible for propulsion.
What is the caudal fin?
400
Eggs, sperm, and waste exit from this structure in frogs.
What is a cloaca?
400
The animals in the order Squamata.
What are snakes and lizards?
400

The site of egg production in female frogs (and reptiles).

What is the oviduct?
400
The structure that attaches the fetus to the uterus in mammals.
What is the placenta?
500
The structure responsible for sensing vibrations and movement in fish.
What is the lateral line?
500
The organ responsible for sensing sound waves in amphibians.
What is the tympanic membrane?
500
The structure responsible for sensing sound and odor in reptiles.
What is the tongue?
500
The three chambers of the heart in amphibians and most reptiles.
What are the left and right atria and ventricle?
500
This structure is responsible for directing gases and removing waste in the amniotic egg.
What is the allantois?