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Phylum Chordata

Total questions: 62

Worksheet time: 31mins

Name
Class
Date
1.

Phylum Chordata has what :

a)

Notochord

b)

Spinal chords

c)

a mantle

d)

a gastrodermis

2.

Chordata are characterized by which 4 aspects:

a)

Spinal Chord, gills, exoskeleton, dense nerve chord

b)

Pharyngeal gill slits, Notochord, exoskeleton, hydrostatic skeleton

c)

Spinal chord, Pharyngeal gill slits, endoskeleton, hollow nerve chord

d)

Dense nerve chord, endoskeleton, lungs, a mantle

3.

which of these is NOT one of the 7 classes within Phylum Chordata

a)

chondrichthyes

b)

agnatha

c)

aves

d)

anthozoa

4.

what are the 3 marine fish classes

a)

anthozoa, agnatha, hydrozoa

b)

chondrichthyes, osteichthyes, cubozoa

c)

chondrichthyes, agnatha, osteichthyes

d)

asteroidea, chondrichthyes, hydrozoa

5.

where is the dorsal fin?

a)

on the back

b)

on the side

c)

in the front

d)

in the back

6.

which of these are true about the sharks sense of smell

a)

excellent sight that improves terrible smell

b)

they have excellent sense of smell

c)

terrible sense of smell

d)

1/3 of their brain is devoted to smell

7.

which of these are part of a sharks specialized organs

a)

ampullae of lorenzini

b)

terrible sense of smell

c)

extremely good eye sight

d)

lateral lense

8.

Agnatha means...

a)

no orifice

b)

jawless

c)

primitive

d)

osmotic

9.

osteichthyes are....

a)

sharks, rays

b)

jawless fish

c)

bony fish

d)

birds

10.

chondrichthyes are.....

a)

jawless fish

b)

bony fish

c)

rays

d)

sharks, rays, skates

11.

what are dermal denticles?

a)

tooth-like scales

b)

plate-like scales

c)

scales that are circular

d)

oblong scales

12.

which of these are from class agnatha?

a)

shark

b)

catfish

c)

hagfish

d)

lampreys

13.

which of these are chondrichthyes?

a)

manta ray

b)

lion fish

c)

hagfish

d)

red finned shark

14.

water is.....

a)

100x more dense than air

b)

1000x more viscous than air

c)

100x more viscous than air

d)

1000x more dense than air

15.

fish tissue is.....

a)

delicious

b)

denser than the water

c)

slimy

d)

sticky

16.

swim bladders.....

a)

hold air

b)

hold urine

c)

act as a secondary bladder

17.

what is osmoregulation?

a)

maintaining high water

b)

maintaining low salt

c)

maintaining salt balance

d)

maintaining low water

18.

what are gills used for?

a)

extracting water from oxygen

b)

extracting oxygen from air

c)

extracting oxygen from water

d)

extracting hydrogen from oxygen

19.

which of these are parasitic fish?

a)

Chondrichthyes

b)

Osteichthyes

c)

Agnatha

d)

Chordata

20.

a sharks Lateral Line allows for what?

a)

movement

b)

detection of sound

c)

detection of movement

d)

detection of movement and sound

21.

a caudal fin is what?

a)

the top fin

b)

the bottom fin

c)

the big tail in the back

d)

the two flippers

22.

what is a Nictitating Membrane ?

a)

the nose

b)

the mucus membrane

c)

eyelid

d)

spots

23.

what are spiracles?

a)

pair of intake holes behind the dorsal fin

b)

pair of intake holes behind the pelvic fin

c)

the many pores around the nose

d)

the intake holes behind the eyes

24.

the sharks skeleton is made of.....

a)

bone

b)

cartilage

c)

nictitating cells

d)

ampullae of lorenzini

25.

what are the 2 major groups of Osteichthyes?

a)

lopsided, flat finned

b)

flesh-finned, thin finned

c)

ray-finned, lobe-finned

d)

ray-finned, thin finned

26.

which one is a characteristic of Lobe-finned fish?

a)

fins have thin base

b)

younger based on evolution

c)

there are two living examples: coelacanth, and nautilus

d)

older based on evolution

27.

which is a characteristic of ray finned fish?

a)

older based on evolution

b)

least common

c)

fleshy base

d)

flexible fins

28.

what is an Operculum?

a)

covers anal opening

b)

covers eyes for protection

c)

covers gills

d)

covers mouth

29.

what is a Lateral Line in Osteichthyes?

a)

detects vibrations (movement and sound)

b)

detects changes in light

c)

detects changes in temperatures

d)

detects changes in body temperature

30.

what are skin glands?

a)

they secrete a toxin

b)

they help regenerate skin

c)

they secret slimy mucus

d)

they contain skin

31.

what type of heart do Osteichthyes have?

a)

4 chambered

b)

2 chambered

c)

3 chambered

d)

idk

32.

what type of circulatory system does Osteichthyes have?

a)

closed circulatory system

b)

open circulatory system

c)

side system

d)

blood transmutational transposons

33.

what are the 3 general mouth positions of Osteichthyes?

a)

superior, inferior, exterior

b)

superior, exterior, monoferior

c)

monoferior, exterior, polyterior

d)

superior, inferior, terminal

34.

Superior mouth position feeds where?

a)

the surface

b)

mid water

c)

bottom feeder

d)

all of the above

35.

fish with TERMINAL mouth positions feed where?

a)

off the surface

b)

mid water

c)

bottom feeder

d)

all of the above

36.

fish with INFERIOR mouth positions feed where?

a)

mid water

b)

off the surface

c)

bottom feeders

d)

all of the above

37.

what are the tail shapes of Osteichthyes?

a)

crescent, oblong, acute

b)

forked, oblong, small

c)

crescent, forked, truncate (and rounded)

d)

trungate and rounded, crescent, forked

38.

what types of fins are there?

a)

pectoral, peduncle, pelvic, dorsal, anal

b)

pectoral, terminal, pelvic, peduncle, depressiform

c)

pectoral, terminal, pelvic, peduncle

d)

pectoral, pelvic, anal, dorsal, caudal

39.

Pelvic fins help with...

a)

stability

b)

turning

c)

is the powerfin

d)

flipping

40.

the caudal fin.....

a)

helps with turning

b)

helps with stability

c)

helps the pelvic fin push fish forward

d)

is the powerfin

41.

the pectoral fin.....

a)

helps turn

b)

helps stability

c)

acts as a keel

d)

is the powerfin

42.

the pelvic and anal fins.....

a)

help stability

b)

help turning

c)

is the powerfin

d)

helps with speed

43.

what are the body shapes of fish?

a)

streamlined, swimlined, depressiform

b)

compressiform, depressiform, fusiform

c)

laterally compressed, doro-ventrally, swimlined

d)

laterally compressed, dorso-ventrally compressed, streamlined

44.

the following describes what body group: fast swimming, ultra streamlined, open water, frequently seen in predators

a)

fusiform

b)

compressiform

c)

depressiform

45.

the following describes what body group: dorso-ventrally flattened, bottom dweller, flight-like swimmers, may have both eyes on one side, often camouflaged

a)

compressiform

b)

depressiform

c)

fusiform

46.

the following describes what body type: compressed laterally, highly mobile, short bursts of speed, omnivores, most common shape, large eyes, often have camouflage coloring

a)

fusiform

b)

depressiform

c)

compressiform

47.

the following describes what body type: filament-like, long thing body, moves like a string

a)

anguilliform

b)

filiform

c)

depressiform

d)

compressiform

e)

taeniform

48.

the following describes what body type: arrow-like, roving predators, fast bursts or strikes, dorsal fins set well back

a)

sagittiform

b)

globiform

c)

fusiform

d)

anguilliform

49.

the following describes what body types: eel-like, often lack pelvic fins, often scaleless, continuous dorsal fins, help resist force of current

a)

filiform

b)

globiform

c)

depressiform

d)

anguilliform

50.

the following describes what body type: ribbon-like, slow speed, small and elongated, brightly colored, spiny dorsal fin

a)

taeniform

b)

globiform

c)

sagittiform

d)

filiform

51.

the following describes what body type: globe-like, short bodied, slow moving, often have limited mobility

a)

sagittiform

b)

depressiform

c)

globiform

d)

filiform

52.

the color of the fish come from....

a)

the dermis

b)

the epidermis

c)

the placoid gland

d)

the peduncle

53.

which one is not one of the 5 main scale types?

a)

cosmoid

b)

placoid

c)

tenoid

d)

ganoid

54.

what type of scales do sharks have

a)

ganoid

b)

cosmoid

c)

placoid

d)

cycloid

e)

ctenoid

55.

what type of scales do sturgeons have?

a)

ganoid

b)

cosmoid

c)

placoid

d)

cycloid

e)

ctenoid

56.

fast swimmers are shaped like....

a)

flattened bottom

b)

thin horizontally flattened

c)

hump backed

d)

bullet/torpedo

57.

which of these does Osteichthyes have that Chondrichthyes doesn't

a)

bones

b)

gills

c)

cartilage

d)

i don't know

58.

true or false: chondrichthyes have covered gill slits

a)

false

b)

true

59.

true or false: osteichthyes can swim forward and backwards

a)

true

b)

false

60.

true or false: chondrichthyes have a large oily liver

a)

true

b)

false

61.

true or false: chondrichthyes and osteichthyes perform internal fertilization

a)

true

b)

false

62.

the outer layer of fish is.....

a)

slimy

b)

gooey

c)

weird

d)

delicious

e)

et tu brutae?

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