Tetrapoda Group Flashcards
The Group Tetrapoda is divided into these classes: _______
Class Amphibia, Class Reptilia, Class Aves, and Class mammalia
Class Amphibia have _________ hearts
3 chambered
What do Amphibians primarily use for gas exchange?
Lungs and moist skin
Amphibians exhibit what type of fertilization?
Mostly external and binds most of them to the water for reproduction
Some amphibians have a unique method of reproducing with a structure called _______
Spermatophores. (packets of sperm layed by males and picked up by females)
Amphibians have _______ thermoregulation
ectothermic
Some _____ in Class Amphibia exhibit neoteny
Salamanders
Class amphibia is divided into orders _______.
What do they include?
Order Anura (frogs/toads), Order Urodela (salamanders, newts), and Order Apoda (legless aphibians)
Newts are like slamanders but with _______
keeled or oar-like tail
Describe difference in frogs and toads.
frogs have moist skin and toads have bumpy skin
What are the ectothermic classes of Subphylum Craniata? The Endothermic classes?
Ecto- are Amphibia and reptilian. Endo- are Aves and Mammalia
What are amniotes?
Amniotes are a clade that consists of animals that have amniotic eggs.
what is an amniotic egg?
Amniotic eggs are eggs that contain membranes called extraembryonic membranes that protect the embryo
What are the extraembryonic membranes?
The amnion, chorion, yolk sac, and allantois.
what classes are considered amniotes?
Class Reptilia, Class Aves, and Class Mammalia