Explain
3 Adaptations of birds -
1-legs, 2-claws, 3-bills
Mice - jack rabbit - whales - apes - cows
3 types of bird flight:
flapping
soaring and gliding
diving
Which teeth stab and tear into food?
Canines
What is the function of longer, smooth hairs?
protects the undercoat from water
3 roles birds play in the environment
- pollinators, - seed carriers - predators of pest
What is a gizzard
Which type of bird flight is the fastest?
Diving
Insulation
What does a bird do with its wings when it dives?
tucks them in
2 characteristics of birds:
endothermic - vertebrate with feathers - 4 chambered hearts - lays eggs
Bird egg v. Reptile egg
bird - harder eggshells
reptile - shells are softer
What does a gizzard do?
squeeze and grinds the food they eat
One characteristic mammals share:
endothermic
Egg laying mammals are called:
monotremes
How does a bird take off from the ground?
1-pushes off with its legs, 2 - pulls its wings down at the same time
Large feathers that give shape to a birds body
contour feather
Large feathers that give shape to a bird‘s body
contour feather
Another characteristic all mammals share?
Produce milk
An organ in a pregnant female mammal that passes materials between the mother of the developing embryo
placenta
3 ways that mammals can move
run - hop - swing - swim - fly - glide
why do birds need so much oxygen?
To release energy from food required for flying
What is lift?
Upward force on a birds wings
The length of time between fertilization and birth:
gestation period
The length of time between fertilization and birth:
gestation period