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A&P 1 > Week 8: Reptilian > Flashcards

Week 8: Reptilian Flashcards

0
Q

snakes and lizards are also know as ______

A

squamata

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1
Q

alligators and crocodiles are also known as ______

A

Crocodilia

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2
Q

turtles and tortoises are also known as ______

A

chelonian

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3
Q

tuataras are also known as ______

A

Rhynococephalia

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4
Q

Reptiles self defense

A

claws, venomous biting and whipping tales

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5
Q

what is the difference between amphibians and reptiles

A

amphibians are born with gills

reptiles are born with lungs

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6
Q

reptiles skin texture

A

dry, hard and scaly. presence of skin under scales

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7
Q

reptiles eggs are

A

hard and leathery that are laid on land

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8
Q

reptiles chambers in the heart

A

three with the wall between the ventricles being incomplete

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9
Q

________ animals are unable to generate body heat internally. Their body temp depends on the __________

A

Ectothermic

temp of the environment

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10
Q

What is POTZ

A

preferred optimal temperature zone

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11
Q

What type of skin do reptiles have

A

keratinized skin

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12
Q

_______ are bony plates within dermis of some lizards and cocodilians

A

osteoderms

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13
Q

_____ are fomed by epidermal folds in most reptiles

A

scales

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14
Q

______ is the modified skin that covers the eyes of reptiles

A

Brille (spectacle)

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15
Q

_____ is the shedding of skin

A

Ecdysis

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16
Q

Reptiles - iris made up of skeletal muscle is __________

A

under voluntary control

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17
Q

Reptilian blood cells are _____ and ______

A

oval and nucleated

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18
Q

even with lungs, reptiles are capable of ______________

A

surviving long periods without breathing

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19
Q

reptiles pulmonary tissues have a ____________ and is the site of ________

A

honeycomb appearance

site of gas exchange

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20
Q

______ is a simple, saclike lung

A

Unicameral lung

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21
Q

The cranial portion of the unicameral lung is the ________

A

site of gas exchange

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22
Q

The caudal portion of the unicameral lung is the ___________

A

avascular, comparable to avian air sac

23
Q

The part of the lung that has many compartments is the _________

A

multicameral lung

24
Q

The part of the lung that has the characteristics of both unicameral and multicameral lung is the _______

A

Paucicameral lung

25
Q

Reptiles do not have a ________ as a part of their respiratory system

A

diaphragm

26
Q

Where are the ears of reptiles located

A

both sides of the head, usually caudal to the eys

27
Q

_______ is the single bone in middle ear of reptiles

A

Columella

28
Q

Snakes have no external ears. T/F

A

True

29
Q

What type of eaters are reptiles

A

Carnivorous, omnivorous and herbivorous

30
Q

Chameleons- how do they catch their prey

A

specialized projectile tongues

31
Q

Some snakes and lizard have a modified salivary gland called ______

A

venom glands

32
Q

In some snakes and lizard venom acts as a _________

A

digestive enzyme

33
Q

teeth that arise from sockets in skull bones are ______

they are found in what type of reptile

A

Thecodont dentition

crocodilians

34
Q

teeth attached to medial aspect of periosteum on mandibles and maxillae

and they are found in what reptiles

A

pleurodont dentition

snakes and iguanid lizards

35
Q

teeth fused to biting edge of mandible and maxillae

and they are found in what reptile

A

Acrodont dentition

some lizards

36
Q

How many rows of teeth do snakes have

A

6

37
Q

What type of snakes a specialized dentition

A

venomous snakes

38
Q

how is venom forced out through the fang

A

contraction of muscles around venom glands

39
Q

in rattlesnake envenomation hemotoxin is a

A

blood coagulant

40
Q

in rattlesnake envenomation Neurotoxin is a

A

nerve poison

41
Q

in rattlesnake envenomation Necrotoxin

A

destroys tissue

42
Q

in rattlesnake envenomation Cardiotoxins and Myotoxins

A

paralyze muscle

43
Q

Reptilian herbivores have a ________ intestinal tract than carnivores

A

longer

44
Q

______ is the site of hindgut fermentation in herbivorous lizards and chelonians

A

Cecae

45
Q

Some reptilian species do not have _________

A

urinary bladders

46
Q

Reptiles are able to concentrate urine as mammals do T/F

A

F they can not

47
Q

Reptiles can absorb water from urine through the ________, ________, or _______

A

wall of the urinary bladder, rectum, or cloaca

48
Q

in reptile reproductive cycle the development and maturation of follicles. (eggs)

A

Vitellogenesis

49
Q

Sex determination in reptiles is determined by

A

genotype or temperature at which eggs are incubated

50
Q

female reptile sex chromosomes are

male reptile sex chromosomes are

A

heterozygous (ZW)

homozygous (ZZ)

51
Q

What determines the sex in crocodilleans and lizards

A

incubation temperatures

high=male

52
Q

What forms the articulation between skull and spine in reptiles

A

a single occipital condyle

53
Q

______ is the defense mechanism where lizards and salamanders discard their tail to distract a predator

A

tail autonomy

54
Q

The species capable of tail autonomy have ________ along which the tail breaks

A

fracture planes

A&P 1 (6 decks)

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