Characteristics
Evolved from these
What is fish with lobed fins?
Number of heart chambers...
What is 3?
Muscle coordination and balance
What is the cerebellum?
food passes from the stomach to this...
What is the small intestine?
stores energy during hibernation
What are fat bodies?
Dependent on an aquatic environment for this...
What are respiration and reproduction?
type of circuit of blood flow
What is double circuit or loop?
Controls thinking and response
What is the cerebrum?
curled portion of the small intestine
What is the ileum?
filters fluid from the blood
What are the kidneys?
reason that amphibians are distinguished from early vertebrates...
What is the development of limbs capable of moving onto land
open or closed circulatory system?
What is closed?
Controls heart rate and breathing
What is the medulla oblongata?
straight portion of the small intestine
What is the duodenum?
removes old red blood cells from circulation
What is the spleen?
When vertebrates invaded land they encountered these conditions...
What are absence of predators and competitors?
place where blood returning from the body collects
What is the vena cava?
Equalized pressure in the inner ear when the frog is breathing
What are the eustachian tubes?
secretes bile and digestive enzymes
What is the liver?
place where sperm, wastes and urine exit
What is the cloaca?
What is oxygen?
first evidence of a separate pulmonary and systemic circuits for blood flow is seen in what class of animals?
What is class amphibia?
allows breathing and vocalization
What is the glottis?
stores bile
What is the gall bladder?
place where eggs in the body cavity enter the oviducts
What is the ostium?