amphibians
Where do they reproduce?
In the water
Is rigid and supports the body weight of the frog
Endoskeleton
What type of fertilization do they undergo
External
Produces bile
Liver
Internal and external nostrils are called what
Nares
what secretes mucus to keep skin moist
mucus glands
Frog bones are named and correspond to bones in the ________ body
Human
Embrace that helps the female expel eggs
Amplexus
Middle intestine
Ileum
Skin is moist for taking in dissolved_____
Oxygen
“Amphibia” means what?
”double life“ or “both lives”
How many heart chambers do they have
3
Have a tail, gills, no legs, no mouth
Tadpole
Stores excess bile
Golbladder
Skin has _____ to prevent water loss
Keratin
They have how many limbs?
4
How many atria and how many ventricle are there in the heart
2 atria and 1 ventricle
Adult
Chamber that collects all waste before expelling them
Cloaca
what kind of circulation pattern do they have
Double loop
Most change from an aquatic larval stage to a ______ adult?
Terrestrial
2 patterns of blood circulation
Pulmonary and systemic
tadpoles live in the_____
Water
Breaks down starch and sugar
Pancreas
Develop _____ to be able to see and feed
necks