Cold-Blooded Vertebrates Flashcards

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1
Q

Vertebrates

A

an animal that has a backbone

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2
Q

Endotherm

A

an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature

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3
Q

Ectotherm

A

an organism that needs sources of heat outside of itself

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4
Q

Lateral Line

A

a faint line visible on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect vibrations in water

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5
Q

Gill

A

a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood

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6
Q

Jawless Fishes

A

hagfish and lampreys

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7
Q

Cartilaginous Fishes

A

sharks skates and rays

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8
Q

Bony Fishes

A

goldfish tuna trout catfish and cod

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9
Q

Swim Bladder

A

a gas-filled sac that is used to control buoyancy; also known as a gas bladder

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10
Q

Lung

A

a respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood

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11
Q

Tadpole

A

the aquatic fish shaped larva of a frog or toad

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12
Q

Metamorphosis

A

a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place

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13
Q

Caecilians

A

amphibians that don’t have legs

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14
Q

Salamanders

A

amphibians that live under stones and logs in the woods

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15
Q

Frogs

A

has smooth soft skin

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16
Q

Toads

A

spend less time in water than frogs and have drier bumpier skin

17
Q

Amniotic Egg

A

a type of egg that is surrounded by a membrane the amnion and that in reptiles birds and egg laying mammals contains a large amount of yolk and is surrounded by a shell

18
Q

Turtles

A

lives in water and has a shell

19
Q

Tortoises

A

live on land and has a shell

20
Q

Crocodiles

A

has a narrow head and pointed snout

21
Q

Alligators

A

has a broad head and round snout

22
Q

Snakes

A

has special organs in the mouth that helps them smell prey