The process of shedding old feathers and growing no ones.
200
What is the one reason why flightless birds can't fly?
Large keel, flippers (sometimes)
200
What is the diaphragm's purpose?
Functions as the main muscle in the respiratory system.
200
These mammals are known as "toothless animals".
Anteaters, Armadillos, and sloths
200
what is an example of a marsupial?
Kangeroo
300
What do down feathers provide for birds.
insulation (keep them warm)
300
What would happen to a perching bird if it fell asleep while perching?
Absolutely nothing
300
What is an example of a monotreme mammal.
Platypus (platypi)
300
Give an example of a primate.
any type of monkey
300
What is an example of an extint or endangered marsupial?
Tasmanian Tiger
400
What is one of the most external feathers called?
Contour feathers
400
What do birds of prey hunt?
Other organisms
400
What was the first mammal?
Therapsids
400
What type of mammal is a giraffe?
Hoofed
400
What is a monotreme?
A mammal that lays eggs
500
What are five of the eight adaptions that allow the bird to fly?
Wing shape, rigid skeleton, hollow bones, powerful flight muscles, keel, rapid beating heart, large eyes, and air sacs.(5)
500
What are the four types of birds?
Flightless birds, perching birds, water birds, and birds of prey.
500
What are the seven characteristics of a mammal?
Make milk, endothermic, breathe air, hair, sexual reproduction, large brains, and specialized teeth.
500
What are the 11 types of mammals?
Anteaters, Armadillos, and Sloths; Insectivors; Rodents; Rabbits, Hares, and Pikas; Flying; Carnivores; Trunk-Nosed; Hoofed; Cetaceans, Manatees and Dugongs; and Primates
500
What is a marsupial?
A mammal that carries and nourishes its young in a pouch