birds
mammals
reptiles
fish
amphibians
100
endothermic, feathers, lay eggs, 4 chambered heart
What is a bird (name 3 characteristics)
100
true
true or false all placental mammals give live birth
100
cold
are reptiles warm or cold blooded
100
in water
Where do they begin their life
200
hollow
birds bones are ________
200
false
true or false all mammals lay eggs
200
a shell and a membrane
What does an amniotic egg consist of to keep the embryo moist
200
2
how many heart chambers dose a fish have
200
3
how many chambers are in their heart
300
to grind and digest food
What is a gizzard used for
300
diaphragm
a large muscle called a _________ is found in all mammals (Hint: hiccups)
300
overlapping scales
What characteristics do lizards and snakes share
300
external
What kind of fertilization do most fish have
300
through their skin
how do they breathe
400
to store food
What is a crop
400
4
how many chambers are in their heart
400
ribs and a backone
what dose a turtles shell include
400
double life
What dose the word amphibian mean
500
to obtain more oxygen
What are air sacs used for
500
ectothermic, live birth, fur or hair, feed on mothers milk
3 characteristics of mammals
500
alligators have few teeth showing and a broad snout crocodiles have most teeth showing and a pointed snout
What is the difference between an alligator and a crocodile
500
jawless, cartilaginous, and bony
What are that 3 main groups of fish
500
egg, tadpole, hind legs, front legs, adult
What are the levels of metamorphosis
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