Amniotic Egg
What are reptiles?
Order that contains tuataras.
What is Rhynchocephalia?
Two systems that exit in the cloaca.
Characteristic absent in class Agnatha.
What fertilization must be internal with amniotic eggs.
What is a hard/calcified shell?
Animals that have four limbs.
What are tetrapods?
Legless amphibian order.
What is Gymnophiona or Caecilians?
Reptile order with loose jaws that can unhinge to allow large prey to be swallowed.
What is Squamata (snakes)?
Sharks and rays belong to what class?
What is chondrichthyes?
Part of the amniotic egg that nourishes the embryo.
What is the yolk sac?
Chordates that are not vertebrates.
What are tunicates or lancelets?
Structure frogs use to pump air into their lungs.
What is their lower mouth? Buccal pumping
The skin layer where scales originate.
What is the epidermis?
Physical feature shared by all fish.
What are gills?
Habitat type that reptiles can inhabit, but reptiles can not because of the amniotic egg.
What is dry environments (living on land exclusively)?
State with decreased body functioning in times of environmental stress.
What is torpor?
Skin layer that produces scutes.
What is the dermis?
Name of feature where fish are dark on top and lighter on the bottom?
What is countershading?
Membrane that surrounds all structures within the egg.
What is the chorion?
Largest member of class Reptilia.
What is the saltwater crocodile?
Chambers in an amphibian heart.
What is two atria and one ventricle?
Compound that scutes and scales are made of.
What is keratin?
Structure that sharks use to aid buoyancy?
What is an oily liver?