Birds
Mammals
reptiles
Fish
Amphibians
100
What is the number of chambers in the heart
4 chambered heart
100
how many groups of mammals are there, and name them
3 groups, monotremes, marsupial, placental
100
What does the amniotic egg do?
to keep the embryo moist
100
what do they use to move?
fins
100
where do they begin there life?
in water
200
Why do birds have hollow bones?
So they can fly because they weigh such a little amount
200
What do monotremes do differently?
lays eggs
200
lizards and snakes both have what?
overlapping scales
200
what do they use to obtain oxygen from the water?
gills
200
how do they breathe?
through their skin
300
what are four characteristics of a bird?
endothermic, vertebrate, feathers, lays eggs
300
how many chambers are in their heart?
4
300
What do the kidneys adapt to?
conserve water
300
how many chambers are in their heart?
2
300
name the two groups
frogs and toads, salamanders
400
What do birds use to digest food sense they don't have teeth
gizzard
400
What helps them breathe
diaphragm
400
what makes the alligator and crocodile different?
crocodiles have most teeth showing and a broad snout and alligators have most teeth with a narrow snout
400
name the 3 major groups of fish
jawless, cartilaginous, bony
400
what is a tadpole
larva of a frog or toad
500
what keeps the bird warm?
down feathers
500
Name four characteristics of a mammal
endothermic, 4 chambered heart, hair or fur, most born alive
500
Name four characteristics of reptiles
ectothermic, lungs and scaly skin, spend their life on land, internal fertilization.
500
name 4 characteristic of fish
vertebrate, ectotherms, have scales, use fins to move
500
haw many chambers are in their hearts?
3
M
e
n
u