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.

20
Q

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

21
Q

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

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.

24
Q

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

A

Regeneration

25
2 types of scales in reptiles
Dermal and epidermal
26
Permanent plates embedded in the skin and retained for life.
Dermal scales
27
Superficial scales, shed periodically in squamates.
Epidermal scalesP
28
Process of shedding of epidermal scales in squamates
Ecdysis
29
Dorsal shell
Carapace
30
Ventral shell
Plastron
31
True or False. The epidermal scales of chelonians and crocodilians are not regularly shed but gradually wear off and replaced.
True
32
Located on the margin of the carapace
Marginals
33
Most anterior and median marginal plate
Nuchal
34
2 most posterior marginal plates
Pygals
35
From the middle row of plates along the median antero-posterior line of the carapce
Vertebrals
36
Form a single antero-posterior row of plates between the vertebrals and the marginals on each side
Costals or laterals