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Biology > Vertebrates > Flashcards

Vertebrates Flashcards

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1
Q

What are the phylum and sub phylum of vertebrates

A

Vertebrata, chordata

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2
Q

What does the backbone surround

A

The backbone surrounds the spinal cord

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3
Q

What is your backbone made up of

A

Vertebrates

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4
Q

Axial skeleton

A

Made up of the vertebral column, skull and rib cage. Protects spinal cord

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5
Q

Appendicular skeleton

A

Made up of the appendage bones and the wide flattened girdles

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6
Q

Agnathans

A

Jaw less fish

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7
Q

Examples of agnathan fish

A

Lampreys, hagfish.

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8
Q

How do lampreys get their food

A

They are parasites

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9
Q

How do hag fish get their food

A

They are bottom dwellers

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10
Q

What are Chondrichthyes

A

Cartilage fish

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11
Q

Examples of Chondrichthyes

A

Shark and rays

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12
Q

Do Chondrichthyes have jaws

A

They have hinged jaws

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13
Q

What is covering the skin of Chondrichthyes

A

Placoid scales

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14
Q

What is the spiral valve

A

Slows movement of food to give more time to digest

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15
Q

What type of liver does a shark have

A

Large and oily make up nearly 20% of its body weight

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16
Q

How many chambers do fish hearts have

A

2 chambers, one to receive blood and one to pump it out

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17
Q

How do fish reproduce

A

Sexually, cartilligenous fish reproduce internally

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18
Q

What type of sensory systems do fish have

A

Highly, developed. Bony fish has the lateral line system

19
Q

Lateral line system

A

Enables them to sense objects and changes in their environment

20
Q

Osteichthyes

A

Bony fish

21
Q

Examples of Osteichthyes

A

Ray finned fish lobe finned fish

22
Q

Cycloid scales

A

Cover ray finned fish, over lap like shingles

23
Q

What covers the scales

A

A layer of mucus

24
Q

Swim bladder

A

Enables the fish to float or sink to the desired altitude

25
Q

Operculum

A

Protective flap of tissue that protects the gills

26
Q

Ectothermy

A

Body temp is regulated by external environment

27
Q

Ray fin fish reproduction

A

Separate sexes and external fertilization

28
Q

What adaptation did amphibians make to live on land

A

Developed strong limbs and bones

29
Q

What does the stomach in the amphibian do

A

Begins to break down food

30
Q

What does the small intestine do in amphibians

A

Digests food further and secretion from the liver and pancreas

31
Q

What does the large intestine do in amphibians

A

Forms feces from I digested materials

32
Q

Cloaca

A

Stores feces until the y are eliminated through the anus

33
Q

Kidney

A

Excrete waste from the blood stream

34
Q

Bladder

A

Waste from the kidney are stored here, until the are released into the cloaca

35
Q

What kind of a heart does an amphibian posses

A

3 chambered heart

36
Q

Which parts of the heart recieve the blood

A

Left atrium and right atrium

37
Q

Which part of the heart pumps the blood

A

The single ventricle

38
Q

Right atrium function

A

Receives O2 negative blood

39
Q

Left atrium function

A

Receives O2 rich blood from the lungs

40
Q

What is the main function of the skin of an amphibian

A

They use their skin to bring in more oxygen

41
Q

Nictating membrane

A

Transparent eye lid keeps the eyelid moist in air and protected in water

42
Q

Tympanic membranes

A

Receive sound waves, located behind the ear

43
Q

Parthegenosis

A

Asexual reproduction performed by some amphibians

44
Q

What can ray finned fish do applaud to sharks with their gills

A

Ray finned fish can pump water over their gills

Biology (8 decks)

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