order anura
what does “anura” mean?
tailless
what does amphibia mean
double or both lives
what does urodela mean
tailed
example of an extinct reptile
dinosaur
what type of circulatory system do reptiles have
closed circulatory system
what are the two animals apart of order anura
frogs and toads
how many orders are in class amphibia
four
example of animals in order urodela
salamanders
what hypothesis suggests that a huge asteroid hit earth
asteroid impact hypothesis
what is required to pump blood through the lungs
energy
what is the larvae of order anura
tadpoles
what types of respiration do amphibians use
gills,lungs,and skin
what type of fertilization do they undergo
internal fertilization
reptiles are successful on all continents expect which one
Antartica
what is the control of body temperature in reptiles
thermoregulation
type of skin toads have
rough, warty
what type of skin do they have
moist, thin skin with no scales
what do their eggs hatch into
swimming larval forms
what reptile has the most ancient origin
turtles
what climate do most reptiles live in
a warm climate
what type of reproduction do they do
external fertilization
what do their eggs lack
multicellular membranes
what are the length of their bodies
elongated bodies
how many modern orders are there of reptiles
four
what is the wall of tissue that divides the heart
septum