5 Written Questions

1. The concave articular surface of the scapula; in birds, the wing is attached to the body by forming a joint in the depression.
2. The total number of eggs laid for a single nesting period.
3. Depression in the skin that gives rise to and stabilizes a new feather.
4. Bare areas of skin of birds where feathers do not originate.
5. Nine thin, transparent membranes that are connected to the primary and secondary bronchi and act as reservoirs for air entering and leaving the lungs.

5 Matching Questions

1. Bursa of Fabricius
2. Infundibulum
3. Crop
4. Coping
5. Barbule

1. a Microscopic projections off feather barbs that help maintain a contour feather's structure.
2. b The funnel-shaped ovarian end of the oviduct.
3. c Dilation of the esophagus in some species of birds that acts as a storage pouch for food.
4. d Specialized organ in birds that is necessary for B-lymphocyte development.
5. e The process of trimming and shaping a bird's beak.

5 Multiple Choice Questions

1. Toe position in which three toes face forward and one faces the rear.
   1. Apteria
   2. Air Sacs
   3. Anisodactyl
   4. Altricial
2. Top part of the head.
   1. Crown
   2. Crop
   3. Coping
   4. Choanae
3. Species that can lay only the number of eggs in a normal clutch size.
   1. Indeterminate Layers
   2. Determinate Layers
   3. Deltoid Crest
   4. Bristles
4. A developing feather hat contains blood in its shaft for growth and nourishment.
   1. Brood Patch
   2. Egg Tooth
   3. Blood Feather
   4. Bristles
5. Depression in the retina of the eye containing a high concentration of cone cells; some birds have two of these to help with binocular vision.
   1. Cere
   2. Feak
   3. Fovea
   4. Coping

5 True/False Questions

1. Columella → Middle ear bone in birds.

   True        False

2. Hamuli → Microscopic hooks that link barbules together.

   True        False

3. Egg Binding → The condition resulting when an egg gets stuck in the oviduct of birds.

   True        False

4. Indeterminate Layers → Species that can lay only the number of eggs in a normal clutch size.

   True        False

5. Feak → The act of rubbing the beak on a rough surface to clean it and maintain its shape.

   True        False