PCC Biology Mr. Reid Final Exam with Correct Answers
Characteristics of class aves - Answer: -Endothermic
-Have feathers
-Hollow bones
-Cloaca
-Designed for flight
What is the name for a scientist who studies birds? - Answer: Ornithologist
What are the types of feathers birds have? - Answer: 1. Down
2. Vanned
What is another name for a vanned feather? - Answer: contour
Parts of a bird's feathers - Answer: 1. Vane
2. Rachis
3. Bards
4. Barbules
5. After-feather
6. Calamus
What is another name for calamus? - Answer: Quill
What are barbs? - Answer: parallel strands that branch off of the main part of the feather
What are barbules? - Answer: tiny extensions from barbs that are held together by barbicels
(interlocking parts)
,PCC Biology Mr. Reid Final Exam with Correct Answers
What is the alula? - Answer: A bird's "thumb"
Characteristics of bones (class aves) - Answer: · Strong yet lightweight skeleton
· Large sternum with keel
· Fused clavicle
· Pneumatized bones
· Keratin bill
Characteristics of keratin bills (class aves) - Answer: -All extant birds toothless
-Some extinct birds had socketed teeth
Characteristics of pneumatized bones (class aves) - Answer: -Air-filled bones
-Reinforced with trabeculae
What is another name for a fused clavicle? - Answer: furcula (wishbone)
Characteristics of muscles (class aves) - Answer: -No flight muscles on back
-Pectoralis major (pulls wing down)
-Supracoracoideus (pulls arms back, not located on back of bird)
-Special rope and pulley design
What is the supracoracoideus? - Answer: -Special rope and pulley design
-Pulls arms back
-Not located on the bird's back
, PCC Biology Mr. Reid Final Exam with Correct Answers
Characteristics of respiration (class aves) - Answer: · Lungs and air sacs
· Two cycles to move air through
· Syrinx - how birds make sounds
· Two cycles to move air
What is the cycle of respiration for birds? - Answer: 1. Inhale - to rear air sacs
2. Exhale - air through lungs
3. Inhale - to front air sacs
4. Exhale - leaves
What is the syrinx? - Answer: -How birds make sounds
-Can make multiple sounds at the same time
True or false? Birds have a nictating membrane? - Answer: True
What is a crop? - Answer: -Storage for food in birds
-Feeds into gizzard
What does a bird's gizzard do? - Answer: Grinds up food
Types of reproduction pairs in birds - Answer: 1. Polygamous - Multiple mates
2. Polygynous - One male, many females
3. Polyandry - One female, many males
4. Monogamous - One pair for life
What is a cloaca? - Answer: -Solid/liquid waste
Characteristics of class aves - Answer: -Endothermic
-Have feathers
-Hollow bones
-Cloaca
-Designed for flight
What is the name for a scientist who studies birds? - Answer: Ornithologist
What are the types of feathers birds have? - Answer: 1. Down
2. Vanned
What is another name for a vanned feather? - Answer: contour
Parts of a bird's feathers - Answer: 1. Vane
2. Rachis
3. Bards
4. Barbules
5. After-feather
6. Calamus
What is another name for calamus? - Answer: Quill
What are barbs? - Answer: parallel strands that branch off of the main part of the feather
What are barbules? - Answer: tiny extensions from barbs that are held together by barbicels
(interlocking parts)
,PCC Biology Mr. Reid Final Exam with Correct Answers
What is the alula? - Answer: A bird's "thumb"
Characteristics of bones (class aves) - Answer: · Strong yet lightweight skeleton
· Large sternum with keel
· Fused clavicle
· Pneumatized bones
· Keratin bill
Characteristics of keratin bills (class aves) - Answer: -All extant birds toothless
-Some extinct birds had socketed teeth
Characteristics of pneumatized bones (class aves) - Answer: -Air-filled bones
-Reinforced with trabeculae
What is another name for a fused clavicle? - Answer: furcula (wishbone)
Characteristics of muscles (class aves) - Answer: -No flight muscles on back
-Pectoralis major (pulls wing down)
-Supracoracoideus (pulls arms back, not located on back of bird)
-Special rope and pulley design
What is the supracoracoideus? - Answer: -Special rope and pulley design
-Pulls arms back
-Not located on the bird's back
, PCC Biology Mr. Reid Final Exam with Correct Answers
Characteristics of respiration (class aves) - Answer: · Lungs and air sacs
· Two cycles to move air through
· Syrinx - how birds make sounds
· Two cycles to move air
What is the cycle of respiration for birds? - Answer: 1. Inhale - to rear air sacs
2. Exhale - air through lungs
3. Inhale - to front air sacs
4. Exhale - leaves
What is the syrinx? - Answer: -How birds make sounds
-Can make multiple sounds at the same time
True or false? Birds have a nictating membrane? - Answer: True
What is a crop? - Answer: -Storage for food in birds
-Feeds into gizzard
What does a bird's gizzard do? - Answer: Grinds up food
Types of reproduction pairs in birds - Answer: 1. Polygamous - Multiple mates
2. Polygynous - One male, many females
3. Polyandry - One female, many males
4. Monogamous - One pair for life
What is a cloaca? - Answer: -Solid/liquid waste
