Birds Flashcards
1
Q
- Over 9000 species have been described worldwide and live in all biomes
- The unique and essential feature or hallmark of birds
A
Birds
Feather
2
Q
- ______ are modified as wings
- ______ are adapted for walking, swimming, or perching
A
Forelimb
Hindlimb
3
Q
- Is one of the smallest vertebrate endotherms
- Described the skeleton of Birds
- Is homologous with reptiles scale
A
Bee hummingbirds
Pneumatic
Feather
4
Q
- _______ and _______ are large to hold a larger brain and eyes
- T o F. All birds lay eggs
A
Braincase and Orbits
True
5
Q
Most birds have __________ skulls
A
kinetic
6
Q
Wings are present for ________ and _________
A
support and propulsion
7
Q
- Give five similarities of birds and reptiles
A
- Both have a single middle ear bone, the stapes
- Both excrete nitrogenous waste as uric acid
- Both lay similar yolked eggs
- The lower jaw in both is composed of five or six bones
- Both have skulls that abut the first neck vertebrae by a single ball and socket joint
8
Q
- Light, delicate bones laced with air cavities are termed as _________
- Most birds have ______ skulls
- How many chambers does the bird’s heart have
A
Pneumatized
Kinetic
4
9
Q
- Receives venous blood from the body
- Receives oxygenated blood from the lungs
- The _______ leads to the dorsal aorta
A
Right Atrium
Left Atrium
Right aortic arch
10
Q
- Bird red blood cells are _____ and ______
- The finest branches in bird’s lungs
- How many respiratory cycles for a single breath of air passes in birds
A
Nucleated, biconvex
Parabronchi
2
11
Q
- Helps cool a bird during vigorous exercise
- Birds excrete nitrogenous waste as _____
- A chief coordinating center in mammals, is thin, unfissured and poorly developed
A
Air sacs
Uric Acid
Cerebral Cortex
12
Q
- Is enlarge into principal integrating center
- Where muscle position sense and visual cues are assembled
- Middle ear contains rod-like _____ that transmits vibrations to the inner ear
A
Corpus striatum
Cerebellum
Columella
13
Q
- Allows birds to hear about the same range of sound as humans
- Have more rods
- Have more cones
- Eyes directed forward to provide better depth perception
A
Cochlea
Diurnal
Nocturnal
Birds of prey
14
Q
- Has 8 times the visual acuity of human
- Ability to see in dim light is more than 10 times that of human
A
Hawk
Owl
15
Q
- A hypothesis bases on running birds with primitive wings to snare insects
- Also a hypothesis that birds passing through tree-climbing, leaping, parachuting, gliding, and finally
powered flight - Lack wing slots and allow high speed, high lift, and dynamic soaring and has the highest aerodynamic
soaring of any design
A
Ground-up Hypothesis
Trees-down Hypothesis
Soaring Wings
16
Q
- Birds of prey that carry heavy loads, have wing with slotting, alulas, and pronounced camber
- Birds feed on the wing or make long migrations have this type of wing
- Are slotted between primary feathers to prevents stalling at low speeds.
A
High-Lift Wings
High-Speed Wings
Elliptical Wings
17
Q
- During breeding season, bird testes is enlarged _____ times
- Sperm is stored in
- The expanded end of oviduct which receives the discharged eggs
A
300
Seminal Vesicle
Infundibulum
18
Q
- Add albumin or egg white to eggs
- Eggs of most songbirds require ___ days for hatching
- Duck and geese eggs require ___ for hatching
A
Special Glands
14
1 month
19
Q
- Are naked and helpless at birth and must be fed I the nest for a week or more
- Are able to feed and run or swim as soon as they are hatched
- How many cervical vertebrae are there in Aves?
- Only the smallest bone found in birds
A
Altricial
Precocial
14
Stapes
20
Q
- The only vein that transfers deoxygenated blood
- Also called the wishbone
- Bird with the longest wingspan
- Term when birds mate
A
Pulmonary Vein
Furcula
Albatross
Cloacal Kiss