gills
What organs do fish breathe with
give an example of amphibian
flog
what organ do reptiles to breath?
lung
bird have how many legs?
2
what are three types of mammals.
monotreme, marsupials, placentals
fish is what what kind of "blood"
Ectotherms, or cold-blood
amphibian have________skin
moist, smooth
snake, lizards, turtles
give three example of reptiles
how to bird reproduce?
oviparous, internal
human belongs to what type of mammal?
placentals
what organ helps a fish to stay at a depth in water.
swim baldder
lung and skin
an adult frog can breath through_____
what are the function of sacles?
help prevent lossof body water in dry environments.
What kind of eggs do birds lay?
eggs with hard shell.
what unique characteristic do all mammals have?
they produce milk
fan like structure, fish use this important organ to swim and balance.
what is the fin?
what is "amphibian" mean?
double life
reptiles have how many chambers?
3
what the function of bird's hollow, thin bone.
To minimize the weight of the bird
what kind of teeth does mammal have?
Incisors, Canines, premolars(molars)
detects pressure/vibrations
why is the lateral line importan to a fish
why do amphibian eggs have to be in water?
because they do not have shells
reptiles lay what kind of egg?
amniotic
what are 2 function of bird feathers.
flight and warmth
a period of development before their chlid face the world.
Gestation