Birds
1) Feathers grow on the skin from
Papillae
2) Mammalian teeth used for grinding and chewing are
Canines
29. The period of gestation
Pregnancy
15) In most mammals, oxygen and nutrients are exchanged between the mother and embryo through the
Placenta
10) Animals that chew their cud are usually
Ruminants
41) Name the bone that has a keel to permit the attachment of flight muscles in a bird.
Sternum
32) Flesh-eating mammals
Carnivores
24) Shaft within the vane area
Rachis
6) In the mammal, which portion of the brain fills most of the skull?
Cerebrum
43) Name the structure that attaches the unborn mammal to the placenta
Umbilical cord
20) The feathers that cover most of a bird’s body and give the bird its shape and color are called
Contour feathers
True or False? 50. Because of the large carbohydrate molecules in vegetation, any mammal that is herbivorous must be a ruminant with a complex digestive system.
False
27) Period of drastically lowered metabolism
Hibernation
8) Two sets of strong, chisel-shaped teeth are characteristic of
Rodents
26) Hoofed mammals
Ungulates
18) The larynx in mammals is the voice box. The corresponding part in a bird is the
Syrinx
23) Which of the following is an example of a chimpanzee tool?
Sticks used as weapons
3) After eyesight, the second most important sense for birds is
Hearing
14) Part of the stomach that is used to store food in some hoofed animals is called the
Rumen
19) The organ that produces milk for the feeding of young is the
Mammary glands
42) Name the structure of a bird’s digestive system that serves as the common opening for the intestine, kidney ducts, and reproductive organs.
Cloaca
36) Squirrels and mice (are what?)
Rodentia
25) Young that are weak and helpless after hatching
Altricial
12) Which of the following is not a function of a mammal’s hair?
Release of wastes
35) Bats (are what?)
Chiroptera