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Zoologu > Reptile And Amphibian Study Guide > Flashcards

Reptile And Amphibian Study Guide Flashcards

1
Q

What does amphibian mean?

A

Double life

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2
Q

What is a spermatophore?

A

Sperm packet laid by male salamanders

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3
Q

What is paedomorphosis? Give example)

A

Adults retain their juvenile characteristics for life
Axolotl

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4
Q

How had paedomorphosis been important to the evolution of predominantly aquatic salamanders?

A

Retain external gills
Better aquatic respiration

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5
Q

Salamanders reproductive behaviors

A

Male lays spermatophore female takes packet into cloaca and lays fertilized egg
INTERNAL FERTILIZATION

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6
Q

Frog reproductive behavior

A

Amplexus
Male clasps female and squeezes
Male releases sperm as female lays eggs
EXTERNAL FERTILIZATION

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7
Q

List three adaptations amphibians have for living in water

A

Lay eggs in water
Larvae have gills
Respiration through skin

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8
Q

List three adaptations amphibians have for living on land

A

Replaced gills with lungs
Legs-tetrapods
Mucus glands- prevents evaporation

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9
Q

What is a tetrapod?

A

Four legs

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10
Q

What are chromatophores

A

Cells that contain color changing pigments

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11
Q

Are amphibians monoecious or dioecious

A

Dioecious

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12
Q

Order gymnophiona

A

Apods/ caecilians
Long/ slender body
No limbs
Tropical forest
Terminal anus
Blind
Burrow into the ground

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13
Q

Pancreas

A

Makes insulin DIGESTIVE GLAND

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14
Q

Cloaca

A

Sewer-EGGS,SPERM,URINE,Feces

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15
Q

Gall bladder

A

Stores bile

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16
Q

Spleen

A

stores blood and makes blood cells
Part of immune system

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17
Q

Fat bodies

A

Energy source

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18
Q

Kidney

A

Excrete excess water

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19
Q

Mesentery

A

Tissue
Holds together small intestine coils

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20
Q

Liver

A

Makes bile DETOXIFIER

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21
Q

How is the frog similar to other vertebrae’s?

A

Vertebrate
Ectotherm
Dioecious

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22
Q

How is the frog different from other vertebrates?

A

Metamorphosis
Respire through skin

23
Q

How are amphibians and reptiles alike

A

Ectotherm
Dioecious
Lay eggs
3 chambered heart except crocodile

24
Q

Which amphibian exhibits incredible regeneration capabilities

A

Axolotl

25
Q

Explain two reptilian adaptations that allow terrestrial living

A

Lungs
Scaly skin

26
Q

What is Jacob sons organ

A

Sense organ in mouth

27
Q

What order reptile has Jacobson organ

A

Order squamata
Corn snake/ garter

28
Q

Testudines

A

Sea turtle
No teeth
Shell

29
Q

Crocodile

A

Teeth

30
Q

Plastron

A

Ventral

31
Q

Nuerotoxic venom

A

Paralyzes nervous system

32
Q

Kinetic skull

A

Moveable

33
Q

Crocodilian

A

Gators

34
Q

Hemolytic venom

A

Breaks down tissues

35
Q

Carapace

A

Dorsal

36
Q

Alligator

A

U shaped snout
Shorter
Not as aggressive
Faster on land/water
Fewer teeth

37
Q

Crocodile

A

V shaped snout
Longer
More aggressive
Slower on land/water
Toothy

38
Q

Elapidae

A

Short, front fixed fangs

39
Q

Example of elapidae

A

Cobra

40
Q

Colubridae

A

Rear fangs

41
Q

Example of venomous colubridae

A

Boomslang

42
Q

Example of non venomous colubridae

A

Garter

43
Q

Viperidae

A

Hallow, retractable fangs

44
Q

Example of viperdae

A

Gaboon viper

45
Q

Shell

A

Protection

46
Q

Albumen

A

A reservoir of water and proteins
Defense against bacteria

47
Q

Yolk

A

Source of food for the embryo

48
Q

Yolk sac

A

Provides nutrition and gas exchange between mom and child

49
Q

Chorion

A

Exchange of oxygen and carbon dioxide between embryo and egg external environment

50
Q

Allantois

A

Serves as a respiratory organ and reservoir for excretion

51
Q

Embryo

A

Developmental stage

52
Q

Amnion

A

Protective cushion

53
Q

Amniotic cavity

A

Protects the fetus from trauma

Zoologu (10 decks)

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