Phylum Chordata

Question 1

Vertebrae

Answer 1

Segments of bone or hard substance arranged into a backbone.

Question 2

Notochord

Answer 2

Rod of though ,flexible material that runs the length of a creatures body, and provides the majority of support.

Question 3

Endoskeleton

Answer 3

A skeleton inside the creatures body. made up of bone of cartilage

Question 4

Bone marrow

Answer 4

A soft tissue inside the bone that produces blood cells.

Question 5

Axial skeleton

Answer 5

The part of the skeleton that supports and protects the head ,neck, and trunk.

Question 6

Appendicular Skeleton

Answer 6

The part of the skeleton that attaches to the axial skeleton and has the limbs attached to it.

Question 7

Closed circulatory system

Answer 7

The oxygen carrying blood cells never leave the blood vessels.

Question 8

Arteries

Answer 8

Carry blood away from the heart.

Question 9

Capillaries

Answer 9

Tiny thin walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body.

Question 10

Veins

Answer 10

Carry blood back to the heart

Question 11

Olfactory lobes

Answer 11

The lobes of the brain that receive signals from the receptors in the nose.

Question 12

Cerebrum

Answer 12

The lobes of the brain that integrate sensory information and coordinate the creatures response to that info.

Question 13

Optic lobes

Answer 13

The lobes of the brain that receive signals from the receptors in the eyes.

Question 14

Cerebellum

Answer 14

The lobe that controls involuntary actions and refines muscle movement.

Question 15

Medulla oblongata

Answer 15

The lobes that coordinate vital functions such as circulatory and respiratory systems and transport signals form the brain to the spinal chord.

Question 16

Internal fertilization

Answer 16

The eggs are fertilized in the body.

Question 17

External fertilization

Answer 17

The eggs are fertilized outside the body.

Question 18

Oviparous development

Answer 18

Development that occurs in an egg that is hatched outside of the body.

Question 19

Ovoviviparous development

Answer 19

Development that occurs in an egg that is hatched inside the body.

Question 20

Viviparous development

Answer 20

Development that happens inside the body.

Question 21

Anadromous

Answer 21

A life cycle where creatures are hatched in fresh water, migrate to salt water as adults, and go back to fresh water to reproduce.

Question 22

Bile

Answer 22

A mixture of salts and phospholipids that aids in the breakdown of fat.

Question 23

Atrium

Answer 23

A heart chamber that receives blood.

Question 24

Ventricle

Answer 24

A heart chamber that pumps blood out of the heart.

Question 25

Ectothermic (Cold Blooded)

Answer 25

Lacking an internal mechanism for regulating body heat.

Question 26

Hibernation

Answer 26

A deep state of low activity

Question 27

Class Amphibia

Answer 27

Frog, toad, salamander

Question 28

Class Chondrichthyes

Answer 28

Sharks, ray, skate

Question 29

Class Agnatha

Answer 29

Lamprey eel

Question 30

Class Osteichthyes

Answer 30

Fish

Question 31

subphylum Urochordata

Answer 31

Sea squirt

Question 32

subphylum Cephalochordata

Answer 32

Lancelet

Question 33

What do sea squirts, lampreys, and amphibians have in common?

Answer 33

They all go through metamorphosis

Question 34

What is the difference between cartilage and bone?

Answer 34

Cartilage is more flexible than bone.

Question 35

Blood vessel with very thin walls?

Answer 35

Capillaries

Question 36

What do red blood cells do?

Answer 36

Carry o2

Question 37

What protein gives red blood cells color?

Answer 37

Hemoglobin

Question 38

Frog and toads have very jerky muscles, what brain lob is small?

Answer 38

Cerebellum

Question 39

Owls have sensitive vision, what brain lob is bigger?

Answer 39

Optic lobes

Question 40

A creature reproduces when the female receives sperm from the male and then lays an egg which hatches. Internal or external? what kind of development?

Answer 40

Internal, Oviparous

Question 41

Which has the most inflexible skeleton: Ray, lamprey, or a salmon

Answer 41

Salmon

Question 42

What do Atlantic salmon and many lampreys have in common.

Answer 42

They are anadromous, they hatch in fresh water, migrate to salt water and go back to fresh water to reproduce.

Question 43

What is the sharks most sensitive means of finding prey?

Answer 43

Electrical field sensor

Question 44

What function does the lateral line perform in sharks and boney fish?

Answer 44

Senses the vibrations in the water.

Question 45

What function do the dorsal fins perform in both sharks and boney fish? what function does the anterior dorsal fin play only in boney fish?

Answer 45

Balance, Weapon

Question 46

What is the major difference between the tail of a ray and the tail of a skate?

Answer 46

Rays- thin, whip like Skates- thick and fleshy.

Question 47

List the six common characteristics of amphibians?

Answer 47

Endoskeleton made mostly of bone, smooth skin, usually have two pairs of limbs with webbed feet, up to four organs of respiration, three chambered heart, oviparous and external fertilization.

Question 48

What is the difference between toad and frog?

Answer 48

Toad-bumpy skin, land Frog- smooth skin, near water

Question 49

For most amphibians, what is the major respiratory organ?

Answer 49

Skin

Question 50

Gills

Answer 50

Exchange of carbon dioxide and oxygen between the water and the blood.

Question 51

Heart

Answer 51

Pumps blood

Question 52

Liver

Answer 52

Makes bile for the digestion of fats and does other chemical tasks.

Question 53

Gall bladder

Answer 53

Concentrates bile

Question 54

Pyloric ceca

Answer 54

Secretes digestive enzymes and chemicals that break down food in stomach.

Question 55

Intestine

Answer 55

Digests food

Question 56

Gonad

Answer 56

reproduction

Question 57

Anus

Answer 57

Expelling the undigested food

Question 58

Brain

Answer 58

Controls nervous system

Question 59

Esophagus

Answer 59

Sends food to stomach

Question 60

stomach

Answer 60

stores and breaks down food

Question 61

Spinal cord

Answer 61

Sends messages from brain to other parts of the body and vice-versa

Question 62

Kidney

Answer 62

Cleans blood of waste products

Question 63

Air bladder

Answer 63

Allows fish to change depths and float in water

Question 64

Efferent brachial arteries avn

Answer 64

Arteries

Question 65

Dorsal aorta avn

Answer 65

Arteries

Question 66

Ventral aorta avn

Answer 66

Arteries

Question 67

Afferent brachial arteries avn

Answer 67

Arteries

Question 68

Anterior cardinal vein avn

Answer 68

Veins

Question 69

Posterior vein avn

Answer 69

veins

Question 70

Atrium (v,a,n)

Answer 70

Neither

Question 71

Ventricle avn

Answer 71

Neither

Question 72

Gills (n,a,v)

Answer 72

Neither

Question 73

Kidney (v,a,n)

Answer 73

Neither