Frog Lab Flashcards
A thin covering that keeps the frog’s eyeball moist while the frog is on land is called what?
Nictitating membrane
A frog that breathes by means of gills is called what?
A tadpole
A folded membrane that connects the intestine to the dorsal body wall is called what?
Mesentary
Although the frog’s skin is moist and smooth, is it true that other amphibians (like most toads) have dry, scaly, and sometimes warty skin?
No. Salamanders
Are frog’s endothermic animals?
No.
Are some amphibians are legless?
Yes. The order apoda.
As a frog matures, its diet becomes primarily what?
Carnivorous, bugs.
Is the absence of claws on the toes is an amphibian characteristic?
Yes.
Name the frog’s teeth.
Vomerine/maxillary teeth
Name the large collecting veins entering the sinus venosus of the frog’s heart.
Anterior/posterior vena cava
The tiny tubes that carry sperm into the kidneys of a frog are called what?
Vasa efferentia
The digestive, reproductive, and excretory systems of the frog all terminate in a common chamber called what? The opening in the mouth that leads to the trachea is called what?
Cloaca. Glottis.
The pancreatic secretions pass from the frog’s pancreas into the small intestine through what organ?
Bile duct
The celebrated frog jumping contest takes place in which California county?
Calavera’s county
What is estivation?
Period of inactivity, like almost a dead state.
