Reptiles Flashcards

1
Q

Reptiles typically have bodies covered with _____.

A

Dry scales

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2
Q

Extant and living reptiles are placed in _____ orders.

A

4

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3
Q

Orders of reptiles

A

Chelonia or Testudinata
Rhyncocephalia
Squamata
Crocodilia

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4
Q

What species belongs to the order Chelonia or Testudinata?

A

Turtles

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5
Q

What species belongs to the order Rhyncocephalia?

A

Tuatara

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6
Q

What species belongs to the order Squamata?

A

Lizards and snakes

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7
Q

What species belong to the order Crocodilia?

A

Crocodiles and alligators

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8
Q

Suborder where lizards belong

A

Lacertilia or Sauria

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9
Q

Suborder where snakes belong

A

Serpentes or Ophidia

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10
Q

Is represented by a single species, the tuatara, which is only found in New Zealand

A

Order Rhyncocephalia

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11
Q

The reptilian skull which shows greater ossification than that of amphibians is referred to as _____ when without any special temporal openings.

A

Anapsid

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12
Q

The reptilian skull which shows greater ossification than that of amphibians is referred to as _____ when with a single supratemporal fenestra or opening on either side of the skull.

A

Parapsid

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13
Q

The reptilian skull which shows greater ossification than that of amphibians is referred to as _____ when with a single infratemporal opening on either side of the skull.

A

Snyapsid

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14
Q

The reptilian skull which shows greater ossification than that of amphibians is referred to as _____ when both supra- and infratemporal openings on either side of the skull.

A

Diapsid

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15
Q

Part of the reptile that bears the eyes, nostrils, and mouth.

A

Head

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16
Q

Part of the head that is absent in snakes.

A

External ear

17
Q

The eyes of snakes are covered with a _____.

A

Transparent plate or cap

18
Q

Teeth are absent in _____.

A

Chelonians

19
Q

Instead of teeth, chelonians have _____ to bite and chew their food.

A

Beaks

20
Q

According to attachment, teeth are _____ when encased in a socket.

A

Thecodont

21
Q

According to attachment, teeth are _____ when attached to the surface of the jaw rather than being encased in a socket.

A

Acrodont

22
Q

According to attachment, teeth are _____ when tooth rests on a ledge on the inner side of the jaw and is attached on the side as well as the base.

A

Pleurodont

23
Q

Extrusible copulatory organs in male lizards and snakes.

A

Hemipenes

24
Q

In lizards, the tail is broken off but is soon replaced by _____.

A

Regeneration

25
Q

2 types of scales in reptiles

A

Dermal and epidermal

26
Q

Permanent plates embedded in the skin and retained for life.

A

Dermal scales

27
Q

Superficial scales, shed periodically in squamates.

A

Epidermal scalesP

28
Q

Process of shedding of epidermal scales in squamates

A

Ecdysis

29
Q

Dorsal shell

A

Carapace

30
Q

Ventral shell

A

Plastron

31
Q

True or False. The epidermal scales of chelonians and crocodilians are not regularly shed but gradually wear off and replaced.

A

True

32
Q

Located on the margin of the carapace

A

Marginals

33
Q

Most anterior and median marginal plate

A

Nuchal

34
Q

2 most posterior marginal plates

A

Pygals

35
Q

From the middle row of plates along the median antero-posterior line of the carapce

A

Vertebrals

36
Q

Form a single antero-posterior row of plates between the vertebrals and the marginals on each side

A

Costals or laterals