vocab
thick-walled, muscular part of the stomach of a bird that squeezes and grinds partially digested food
gizzard
What is the job of a contour feather?
to give shape to the bird's body
Which animal has the thickest fur of all?
a. lion
b. sea otter
c. polar bear
b. sea otter
What is the main function of a mammal's fur/hair?
for warmth
True or False. You eat like a bird is a true statement on how birds eat when you refer to a human barely eating.
internal storage tank of a bird
crop
What kind of feathers keep the bird warm
down feathers
What type of teeth are used for biting off and cutting parts of food?
a. incisors
b. canines
c. premolars
d. molars
a. incisors
What is the only mammal that can fly?
bats
an organ in a pregnant female that passes materials between the mother and the developing embryo
placenta
mammals breathe in and out because of the combined action of the rib muscles and large muscle called the _________________.
diaphragm
What are the birds' bills adapted to do?
help it feed quickly and efficiently-- capture, grip, and handle food
Unlike monotremes or marsupials, placental mammals develop where?
inside their mothers' bodies until their bodies can function on their own.
What are two specialized ways mammals move?
walk, run, glide, hop, swing, fly, swim
What are the 3 types of flight of birds?
flapping, soaring, and gliding
milk of mammals are produced in their ____________________.
mammary glands
Why type of bird represents more than half of all the bird species in the world?
a. owls
b. bee-eaters
c. perching birds
c. perching birds
What are the 3 groups of mammals?
monotremes, marsupials, and placental mammals
Name 3 types of placental mammals and what type their are
ex: bat--flying mammal
insect eaters--moles
rabbits & hares
primates--apes, humans, monkeys
rodents--rats, beavers, squirrels
toothless mammals--sloth, armadillo
hoofed mammals--zebra, horse
carnivores--river otter, lion
marine mammals-dolphins, whales, manatees
mammals with trunks-elephants
What are the only 2 monotremes alive today?
spiny anteaters and duck-billed platypuses
the period of time between fertilization and birth
gestational period
Name two adaptations of birds
flight, shapes of legs, claws, quick reflexes
What are 4 of the 5 characteristics that all mammals share?
4 chambered heart
skin covered with fur/hair
most young born alive
every mammal fed with mother's milk
teeth shaped to adapt to their diet
What do marsupials do immediately after they are born?
crawl into their mother's pouch to continue to develop
What is the only marsupial found in the United States?
opossums