Birds/reptiles Flashcards

(66 cards)

1
Q

Pneumatic bones

A

Hollow/ air filled bones

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2
Q

Extra bone in birds

A

Coracoid

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3
Q

Another name for a Keel

A

Sternum

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4
Q

Why is the keel laterally flattened

A

It increases surface area for the attachment of muscles

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5
Q

Where is the coracoid bone located

A

Lies between keel and shoulder joint

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6
Q

Function of the coracoid bone?

A

Counteracts flight muscles
Supports wings

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7
Q

Why do birds have less joints

A

To provide a strong base for flight muscle attachment

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8
Q

How many cervical vertebrae can birds have

A

Approx 25

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9
Q

Pygostyle?

A

Bird tail

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10
Q

The glands of a bird that secretions aid in waterproofing feathers

A

Preen gland/uropygial

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11
Q

Quadrate bone

A

Bone located by mandible
Allows the jaw to open wider

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12
Q

Craniofacial hinge function

A

Increases the motility during feeding

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13
Q

Fused appendicular skeletal bones in birds

A

Tibiotarsus
Tarsometatarsus

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14
Q

How many toes do most birds have

A

3 toes pointing forward
1 toe pointing backwards

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15
Q

How many toes do parots have

A

2 forwards
2 backwards

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16
Q

Alula

A

‘bastard wing’ is made up of digit I.
controlling take-off and landing

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17
Q

Basilic vein

A

ulnar vein
site for venepuncture

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18
Q

Caeca

A

Blind-ended section of the large intestine where bacterial digestion
occurs

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19
Q

Choana

A

Cleft in the hard palate
connect the oral and
nasal cavities
Found in some birds

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20
Q

Name for the 1 body cavity in birds

A

Coelom

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21
Q

Columella

A

Single middle ear bone that transmits sound to the inner ear

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22
Q

Contour feathers

A

Feathers of the wings and outer surface of the body

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23
Q

Crop

A

Its the enlargement of the oesophagus and serves as a storage place for food

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24
Q

Digital flexor tendon function

A

responsible for the perching reflex

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25
Filoplume
Lie close to the body Break up, creating dust that absorbs sweat and dirt
26
Gizzard
AKA (ventriculus) Muscular part of the stomach where mechanical digestion occurs
27
Isthmus
Where the inner and outer shell membranes are formed
28
Magnum
most glandular part of the oviduct where the majority of albumen is added
29
Pectoral
Flight muscle responsible for down stroke
30
Pectoral and brachial arteries
Supply blood to flight muscles and wings
31
Phalus
Bird penis
32
Pinioning
Method of preventing flight by cutting the end of the wing (chick is between 4-10 days old)
33
Primaries
Flight feathers that attach to digit 3 (THRUST)
34
Proventriculus
First section of the stomach lined with glands that secrete pepsin, hydrochloric acid and mucus
35
Rachis
Central shaft of the feather which is filled with blood capillaries
36
Salt gland
Located above the eye in some marine birds which balances the salt
37
Sclerotic ring
bones around the eye
38
Secondaries
flight feathers
39
Shell gland
where the shell membrane becomes calcified (15hrs)
40
Syrinx
Vocal organ in birds
41
Reptiles Renal portal system
Transports blood from the hind legs and tail directly to the kidneys
42
Acrodonts
reptile Teeth
43
Arboreal
tree climbing/dwelling species
44
Autotomy
Ability to shed their tail as a defence against predators
45
Carapace
Domed upper part of a tortoise’s shell
46
Chelonia
Class of reptiles Tortoises, terrapins and turtles
47
Chromatophores
The cells that allow for reptiles to change their skin colour
48
Coelom
Thoraco-abdominal cavity, there is only one combined cavity
49
Coprodeum
First section of the cloaca where the faeces are collected
50
Crepuscular
Species of animal active during dawn and dusk
51
Diurnal
Species of animal active during the day
52
Ecdysis
Shedding of the skin
53
Ectothermic
Species of animals that obtain the heat they require from their environment
54
Herpetology
The study of reptiles and amphibians
55
Jacobson’s organ
Vomeronasal organ. Roof of mouth part of the olfactory system
56
Lamellae
Overlapping scales arranged in layers found on the underside of geckoes enabling them to grip on to smooth surfaces
57
Nuchal scute
Found on the anterior end of the carapace. AKA cervical scute
58
Oviparous
animals that lay eggs
59
Ovoviviparous
Species of animals that hatch their eggs internally
60
Plastron
Flattish ventral part of a tortoise’s shell
61
Poikilothermic
Species of animals that have a body temperature that varies with the environment around them
62
Proctodeum
Final section of the cloaca that acts as a collection chamber prior to the elimination of waste
63
Scutes
Horny plates in the shell of tortoises
64
Sexually dimorphic
Species where visible differences in external features between males and females: colouration, shape etc
65
Spectacle
Transparent eyelid
66
Stomatitis
‘Mouth rot’