Vertebrates Flashcards
long stiff supporting rod that runs through the body just below the nerve cord is called the …
notochord
5 groups of vertebrates are ..
Birds Amphibians Reptiles mammals fish
monotherme
egg laying mammal
ex:platypus
anteaters
marsupials
with paunche-s
ex: kangaroo
koala
placental
eutherian
placenta inside
ex;human
bears
flight feathers
contour feathers
jawless fish class
class Agnatha ONLY no jaws filters instead of gills subsion mouth like
cartilageus fish
class Chondrichthyes
skeleton made of cartilage
internal fertilizattion
lateral line
bonny fish
class oisteichthyes
skeleton made of bone
opercolum
swim blader
jawless fish
astraspis
lamprya
bony fish ex
salmón
catfish
frog salamanders caecillians toads
amphibians examples
camalelon gecko snakes turtle lizards
ex of reptiles
all fish have…
gills
ectoremic
fins
swim bladder