Creature features
Special structures that provide insulation for mammals and birds.
What are feathers and hair?
The purpose of fat have in endotherms.
What is insulation?
The direction in which a bird in the Southern Hemisphere is likely to fly as winter comes.
What is north?
A flat appendage growing from a bird's skin.
What is a feather?
The tail of an animal that has adapted to grasp or hold objects.
What is a prehensile tail?
A breastbone structure that some flightless birds lack.
What is a keel?
Perching birds' feet automatically lock when they perch.
How can perching birds sleep in trees?
Some negative consequences if vultures were to become extinct.
What is longer decomposition and increase in diseases?
An extension of a bird's lung cavity.
What is the air sac?
The thick layer of fat under the skin of marine mammals.
What is blubber?
Where birds are likely to store regurgitating food.
What is the Crop?
Birds expel their wastes together, while mammals expel their wastes separately.
What are the ways that most birds and mammals expel digestive and nitrogenous wastes?
Two groups of mammals that echolocate.
What are bats and cetaceans?
A bird's voice box.
What is the syrinx?
Pee
What is urine?
The two layers of a bird’s egg that protect the embryo.
What are the albumen and shell?
The stomach structure that cud-chewing ungulates have.
What is the rumen?
Marsupial gestation is much shorter than eutherian gestation
Why must marsupials nurse their young longer than eutherians?
The hind part of a bird's stomach, used to grind food.
What is the gizzard?
The major muscle of respiration.
What is the diaphragm?
The structures distinguishing ungulates?
What are hooved feet?
The kind of diet that a mammal with a small cecum has.
What is carnivorous?
What mammals nourish their young with.
What is milk produced in the mammary glands?
Seasonal movement of animals from one region to another.
What is migration?
A human's voice box.
What is the larynx?