Chapter 13

Question 1

OyO 13.1

Answer 1

Because other than that, nothing else is in common with it.

Question 2

OyO 13.2

Answer 2

The leathery tunic

Question 3

OyO 13.3*

Answer 3

Oral Cirri*

Question 4

OyO 13.4

Answer 4

Blood Cells

Question 5

OyO 13.5

Answer 5

Cartilage

Question 6

OyO 13.6

Answer 6

Artery

Question 7

OyO 13.7

Answer 7

Vein

Question 8

OyO 13.8

Answer 8

Optic Lobes

Question 9

OyO 13.9

Answer 9

Because the signals can’t go below where it was cut

Question 10

OyO 13.10

Answer 10

Placenta

Question 11

OyO 13.11

Answer 11

Oviparous Development

Question 12

OyO 13.12*

Answer 12

No*

Question 13

Vertebrae

Answer 13

Segments of bone or some other hard substance that are arranged into a backbone.

Question 14

Notochord

Answer 14

A rod of tough, flexible material that runs the length of a creature’s body, providing the majority of it’s support.

Question 15

Endoskeleton

Answer 15

A skeleton on the inside of a creatures body, typically composed of bone or cartilage.

Question 16

Bone Marrow

Answer 16

A soft tissue inside the bone that produces blood cells.

Question 17

Axial Skeleton

Answer 17

A portion of the skeleton that supports and protects the head, neck, and trunk.

Question 18

Appendicular Skeleton

Answer 18

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

Question 19

Closed Circulatory System

Answer 19

A circulatory system in which the oxygen carrying blood cells never leave the blood vessels.

Question 20

Arteries

Answer 20

Blood vessels that carry blood away from the heart

Question 21

Capillaries

Answer 21

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

Question 22

Veins

Answer 22

Blood vessels that carry blood back to the heart

Question 23

Olfactory Lobes

Answer 23

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

Question 24

Cerebrum

Answer 24

The lobes of the brains that integrate sensory information and coordinate the creature’s response to that information

Question 25

Optic Lobes

Answer 25

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

Question 26

Cerebellum

Answer 26

The lobe that controls involuntary actions and refines muscle movement

Question 27

Medulla Oblongata

Answer 27

The lobes that coordinate vital funtions, such as those of the circulatory and respiratory systems, and transport signals from the brain to the spinal cord.

Question 28

Internal Fertilization

Answer 28

The process by which the male places sperm inside the female body, where the eggs are fertilized.

Question 29

External Fertilization

Answer 29

The process by which the female lays eggs, and the male fertilizes them once they are outside the female.

Question 30

Oviparous Development

Answer 30

Development that occurs in an egg that is hatched outside the female’s body.

Question 31

Ovoviviparous Development

Answer 31

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

Question 32

Viviparous Development

Answer 32

Development that occurs inside, allowing the offspring to gain nutrients and substances from the mother through a placenta.

Question 33

Anadromous

Answer 33

A life cycle in which creatures are hatched in fresh water, migrate to salt water as adult, then go back to fresh water.