Which organ do amphibian use for breathe?
they breath with lungs.
where do fish live usually?
in water
what is the name for changing body form in retile?
metamophasisd
what kind of reproduction do mammals have?
sexual reproduction
what type of phylum do birds have?
chordata
what type of egg do amphibians lay?
egg without shell
what is the body plan for fish?
vertebrate ( which have a back bone)
Give three examples for reptiles?
no true answer
Are mammals worm blooded or cold blooded
warm blooded
How do birds fertilize their eggs?
internal
what type of skin do amphibians have?
moist scaless skin
what type of skin do fish have?
scaly skin
what will disappear after a reptile grow up?
tail and gills will disappear
what type of phylum do mammals have?
chordate
____ are endothermic, egg laying vertebrate?
birds
what class of vertebrates spend part of their lives on land?
amphibians
what do fish use for breath?
they breathe with gills?
why do reptiles have scaly skin?
to prevent water loss when live in a well dry areas.
How many species are mammals?
more that 4000 species
how do females produce their eggs?
Females single ovary release eggs.
why do some amphibians have brightly color skin?
to warm the prey
_____ protect nd reduce friction and can tell the age of fish?
scales
You find a nest on the found next to a lake. The nest contains 3 small white-spotted, hard shelled eggs. You determine that the eggs are ____.
alligator eggs because the nest is next to lake.
what did they do to break up food quickly?
chewing jaw
feather