Subphylum Vertebrata Flashcards

1
Q

What is herpetology?

A

The study of reptiles.

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2
Q

What are the four membranes of the Amniotic “shelled” egg?

A

Chorion
Amnion
Yolk sac
Allantois

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3
Q

What is the chorion?

A

The outermost layer of the Amniotic Egg. Allows gas exchange.

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4
Q

What is the amnion?

A

One of the four membranes of the Amniotic egg. Encases embryo in fluid-filled cavity.

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5
Q

What is the purpose of the yolk sac?

A

Provides food.

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6
Q

What is the allantois?

A

Contains excreted wastes from embryo.

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7
Q

What were the 1st reptiles in fossil record?

A

Lizards

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8
Q

What do lizards use for camouflaging?

A

Chromatophores

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9
Q

What makes up 50% of the living reptiles?

A

Lizards

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10
Q

Why did birds and mammals survive the extinction?

A

Bc they were small and warm blooded.

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11
Q

Why did smaller reptiles survive in warmer climates?

A

Bc they could hibernate and required less food.

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12
Q

Are reptiles cold or warm blooded?

A

Cold

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13
Q

What’s the world’s largest lizard?

A

Komodo Dragoon- Monitor Lizard

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14
Q

What did snakes evolve from?

A

Lizards

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15
Q

What’s the #1 snake bite in SC?

A

Copperhead

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16
Q

Which snake has heat sensitive pits and elliptical pupils?

A

Copperhead

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17
Q

Which snakes have collapsible fangs?

A

Rattlesnake, Copperhead, Water Moccasin

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18
Q

What’s another name for the Water Moccasin?

A

Cottonmouth

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19
Q

Which snake is the most toxic species in the US?

A

Coral Snake

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20
Q

What kind of affect does the neurotoxin do?

A

Rapidly spreads in body affecting breathing.

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21
Q

What examples are there of snakes with fixed (non-collapsible) fang vipers?

A

Coral Snake & Cobra

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22
Q

Which snake is known for being nonpoisonous?

A

Milk Snake

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23
Q

What snake is the world’s largest poisonous snake?

A

King Cobra

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24
Q

What is the main difference between turtles and tortoises?

A

Turtles are aquatic. Tortoises are land dwellers.

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25
What is the world's largest turtle?
Leatherback Turtle
26
What's the world's largest tortoise?
Galapagos Tortoise
27
What are alligators and crocodiles hunted for?
Leather-like skin
28
When do alligators and crocodiles hibernate?
In the winter
29
What are some characteristics of an alligator's structure?
Have a rounded mouth, even teeth, and a smooth eye lid.
30
What are some characteristics of a crocodile's structure?
Crocodiles have a more pointed mouth, a serious overbite, and a lobe of tissue over their eye lid and tympana.
31
What does the Class Aves consist of?
The birds
32
What is ornithology?
The study of birds
33
What did the birds evolve from?
The reptiles
34
What is the oldest bird in the fossil record and has reptilian characteristics?
Archaopteryx
35
What kind of fertilization takes places for reptiles?
Internal fertilization
36
What is sexual dimorphism?
Difference between male and female appearance
37
What is the flight of a feather?
Extends beyond body (wings & tail)
38
What is the contour of a feather?
Form to the shape of the body.
39
What is the down of a feather?
Feather underwear
40
What is the preening of a feather?
Arranging feathers
41
What is the largest bird in the world?
Ostrich
42
What is the smallest bird in the world?
Hummingbird
43
What are the three classes of the Subphylum Vertebrata?
Class Reptilia Class Aves Class Mammalia
44
What is Ratite?
Nonflying birds
45
What of blood cells do birds have?
Nucleated blood cells (mitosis)
46
What does Class Mammalia have to protect their body?
Hair
47
What are the three ways mammals reproduce?
Egg laying: Monotremes. Pouched: Marsupials. Internally developed Placenta
48
What are monotremes?
The egg laying mammals
49
What is the most famous member of this group?
DuckBilled Platypus
50
What's unique about the platypus?
It shows characteristics of its reptilian ancestors and is considered a transition organism.
51
What other mammal is known for being an egg laying mammal?
The Spiney Anteater/ Echidna
52
What are Marsupials?
The pouched mammals
53
What are the most successful group of mammals?
The placentals
54
Where are most species of marsupials found?
Australia and New Zealand
55
What glands secrete oil to protect the hair and skin of mammals?
Sebaceous glands
56
What is the world's largest animal in the world?
Blue whale
57
What are Ungulates?
Hoofed mammals
58
What are examples of ungulates?
Horses, cattle, hogs, & deers
59
What are carnivores?
Predaceous meat eaters.
60
What are cetaceans? What are some examples?
Marine mammals; Whales and Dolphins
61
What are chiroptera? Example?
Flying mammals; bats
62
What are some examples of rodents?
Rats, squirrels, and beavers.
63
What are proboscideans?
Trunked mammals
64
What's the largest land mammals?
Proboscideans