Biology Ch. Chordates, Fish, & Amphibians Quiz(AT)

Question 1

In mammals, the _____________ turns into the spinal cord.

Answer 1

dorsal hollow nerve chord

Question 2

In fish, the _______________ turns into gills.

Answer 2

pharyngeal pouches

Question 3

The _______________ needs to be shed because it is made only of nonliving matter, so it cannot grow.

Answer 3

exoskeleton

Question 4

The phylum that contains both vertebrate and nonvertebrate chordates.

Answer 4

Chordata

Question 5

The ________________ turns into the backbone in mammals.

Answer 5

notochord

Question 6

The ______________ is made of living and nonliving matter and therefore can grow with the organism.

Answer 6

endoskeleton

Question 7

______________ is found on the outside of the organism.

Answer 7

Exoskeleton

Question 8

A subphylum of chordata that contains all vertebrates.

Answer 8

Vertebrata

Question 9

Most chordates are vertebrates.

Answer 9

True

Question 10

______________ were the most primitive vertebrates.

Answer 10

Jawless fish

Question 11

______________ are the most developed vertebrates that developed last in evolutionary history.

Answer 11

Mammals

Question 12

Compare and contrast a notochord and a dorsal hollow nerve cord.

Answer 12

Backbone comes from a notochord. The notochord is replaced with backbone containing vertebrae.

Question 13

___________ has no teeth or jaws but it keeps it notochord.

Answer 13

Jawless fish

Question 14

____________ is when the fetus gets nutrients from the mother’s body and is then born alive.

Answer 14

Viviparous

Question 15

________ controls internal organ functioning in fish.

Answer 15

Cerebellum

Question 16

_________ adjusts the fish’s buoyancy.

Answer 16

Swim bladder

Question 17

____________ controls body movement in fish.

Answer 17

Cerebellum

Question 18

__________ controls voluntary activities such as smell.

Answer 18

Cerebrum

Question 19

__________ has skeletons made of cartilage and tooth like scales covering their skin.

Answer 19

Cartilaginous fish

Question 20

_________ is when the eggs hatch outside the mother’s body.

Answer 20

Oviparous

Question 21

_________ is when eggs hatch inside the mother’s body but nutrients are obtained by yolk.

Answer 21

Ovoviviparous

Question 22

__________ have bony spines and rays that create fins.

Answer 22

Bony fish

Question 23

What are the characteristics of fish?

Answer 23

1. Live in water
2. Paired fins for movement
3. Scales for protection
4. Gills for gas exchange

Question 24

Have fish evolved from tunicates and lancelets?

Answer 24

Yes

Question 25

The most advanced fish today are ___________.

Answer 25

bony fish

Question 26

What is the correct order of the path of digestion in fish?

Answer 26

Mouth, esophagus, stomach, pyloric cecum, liver, pancreas, intestine, and anus.

Question 27

In most fish, water first passes through the __________ for oxygen.

Answer 27

mouth

Question 28

In most fish, oxygen poor water leaves through the __________.

Answer 28

gill slits

Question 29

___________ collects blood from the veins.

Answer 29

Sinus venosus

Question 30

The _____________ is where blood goes after passing through the atrium.

Answer 30

ventricle

Question 31

In fish, the ventricle pumps blood to what part of the heart?

Answer 31

Bulbus arteriosus

Question 32

Does the heart directly pump oxygenated blood out to the rest of the body? Why or why not?

Answer 32

No. The deoxygenated blood is pumped to the gill/lungs first to pick up oxygen.

Question 33

Fish have two ways of excreting wastes. What are they?

Answer 33

Diffusion through the gills and urea is excreted through kidneys.

Question 34

What are the three orders of amphibians? Provide an example of each.

Answer 34

Urodela - salamanders
Anura - frogs and toads
Apoda - caecilians

Question 35

____________ is the muscular cavity found at the end of the large intestine where waste, urine, eggs and sperm leave the amphibian’s body.

Answer 35

Cloaca

Question 36

_______________ is the only amphibian that does not have lungs during some part of their life.

Answer 36

Salamander

Question 37

Amphibian eggs must be laid in ________________ because they lack a ___________ to prevent desiccation.

Answer 37

Water, shell

Question 38

Put a check next to the following structures that are shared between some fish and some amphibians.

Answer 38

Lateral line

Question 39

The _________ protects the amphibian’s eyes.

Answer 39

nictitating membrane

Question 40

The ________________ acts as the amphibian’s eardrum.

Answer 40

Tympanic membrane

Question 41

How is feeding different in larval and adult amphibians?

Answer 41

Larvae are filter feeders or herbivores that eat constantly. Adults are carnivores with a much shorter intestine.

Question 42

How is the heart of a fish different from a frog?

Answer 42

Fish hearts have two chambers and a single loop system. Frogs have three chambers and a double loop system.

Question 43

Give three differences between frogs and toads.

Answer 43

Frogs have smooth, moist skin whereas toads have dry, bumpy skin.
Frogs live in or near water while toads prefer to live in dry, arid, desert climates.
Frogs jump, toads walk.
Frogs lay eggs in clusters while toads lay eggs in chain.

Question 44

What does the word amphibian mean?

Answer 44

Double life