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Ch. 31 Invertebrate Chordates SG

Total questions: 45

Worksheet time: 3585secs

Name
Class
Date
1.
Which group of invertebrates is most closely related to chordates/vertebrates?
a)
cnidarians
b)
echinoderms
c)
worms
d)
sponges
2.
those organisms that do not have a backbone
a)
molting
b)
Mammals
c)
Vertebrates
d)
Invertebrates
3.
Have 4 main traits in common: notochord, tail, nerve cord, and pharyngeal pouch
a)
Sponges
b)
Molting
c)
Metamorphosis
d)
Chordates
4.
A flexible rod shaped structure that supports the body of a developing chordate
a)
Notochord
b)
Pharyngeal pouch
c)
tail
d)
Nerve cord
5.
To which phylum do vertebrates belong?
a)
Chordata
b)
Cnidaria
c)
Echinodermata
d)
Arthropoda
6.

The ________ is a support rod that runs along the dorsal side of the organism.

a)

Dorsal nerve cord

b)

Notochord

c)

Brain

d)

Nervous system

7.
What percentage of Earth's animals are invertebrates?
a)
97 percent
b)
25 percent
c)
50 percent
d)
3 percent
8.
Sub phylum cephalochordata includes which of the following?
a)
Mammals
b)
Echinoderms
c)
Lancelets
d)
Tunicates
9.
Sub phylum urochordata includes which of the following?
a)
Mammals
b)
Echinoderms
c)
Lancelets
d)
Tunicates
10.
Which of the following filters food from water that then enters the mouth?
a)
Mammals
b)
Echinoderms
c)
Lancelets
d)
Tunicates
11.
The notochord, dorsal nerve cord, postanal tail and pharyngeal pouches are embryonic chordate characteristics. Who keeps them as adults?
a)
Lancelets
b)
Tunicates
12.
Which class do sea cucumbers belong to?
a)
Crinoidea
b)
Ophiuroidea
c)
Holothuroidea
d)
Asteroidea
13.
Which phylum do sea cucumbers belong to?
a)
Echinodermata
b)
Porifera
c)
Holothuroidea
d)
Asteroidea
14.
What is the  name of the Echinoderm system that has interconnected canals and tube feet?
a)
Water-vascular
b)
Muscular
c)
Cirulatory
d)
Respiratory
15.
Which adult Chordate has a tough sac made out of cellulose that surrounds their body?
a)
Lancelet
b)
Tunicate
c)
Mammal
d)
Bird
16.

Chordates are ...

a)

Protostomes

b)

Deuterostomes

c)

Anything they want to be. They have the freedom to choose

17.

Label the four traits of chordates

a)

Postanal Tail

b)

Pharyngeal Pouches/Slits

c)

Dorsal Hollow Nerve Cord

d)

Notochord

1
2
3
4
1)
2)
3)
4)
18.

The gills are derived from the...

a)

Postanal tail

b)

Pharyngeal pouches

c)

Dorsal hollow nerve cord

d)

Notochord

19.

The dorsal, flexible rod that is used to anchor muscles for locomotion

a)

Pharyngeal Pouches

b)

Postanal Tail

c)

Dorsal hollow nerve cord

d)

Notochord

20.

The dorsal, flexible rod that becomes the segmented backbone in vertebrates

a)

Pharyngeal Pouches

b)

Postanal Tail

c)

Dorsal hollow nerve cord

d)

Notochord

21.

The structure that becomes the spinal cord in vertebrates

a)

Pharyngeal Pouches

b)

Postanal Tail

c)

Dorsal hollow nerve cord

d)

Notochord

22.

Which Subphylum would this organism belong to?

a)

Vertebrata

b)

Cephalochordata

c)

Urochordata

23.

ID this animal

a)

Lancelet

b)

Sea Squirt

c)

Jawless fish

d)

Cartilaginous fish

24.

Match the fgollowing organisms to their subphylum

Categorize the following

Bony fish

Cartilaginous Fish

Jawless Fish

Reptiles

Birds

Amphibians

Mammals

Sea Squirts

Tunicates

Lancelets

Cephalochordata
Urochordata
Vertebrata
25.

Match the following

a)

Butterfly class

1.

Insecta

b)

Crayfish class

2.

Crustacea

c)

Shark class

3.

Chondrichthyes

d)

Tapeworm class

4.

Cestoda

e)

Viviparous class

5.

Mammalia

26.

Match the following

a)

Ascaris phylum

1.

Nematoda

b)

Planaria

2.

Platyhelminthes

c)

Clam

3.

Mollusca

d)

“Jointed foot” phylum

4.

Arthropoda

e)

“Pore bearing” phylum

5.

Porifera

27.

Amphioxus subphylum

a)

Amphibia

b)

Cyelostomata

c)

Chondrichthyes

d)

Cephalochordata

28.

What class am I in?

a)

Echinoidea

b)

Holothuroidea

c)

Asteroidea

d)

Ophiuroidea

29.

What class am I in?

a)

Echinoidea

b)

Holothuroidea

c)

Asteroidea

d)

Ophiuroidea

30.

What class am I in?

a)

Echinoidea

b)

Holothuroidea

c)

Asteroidea

d)

Ophiuroidea

31.

Where did protostome development evolve?

a)

2

b)

3

c)

4

d)

5

e)

6

32.

Where did deuterostome development evolve?

a)

2

b)

3

c)

4

d)

5

e)

6

33.

Where did the notochord evolve?

a)

1

b)

2

c)

3

d)

4

34.

What is the first stage of animal embryonic development?

a)

Zygote

b)

Cleavage

c)

Fertilization

d)

Morula

35.

During which stage does the embryo form a hollow ball of cells? (a)  

Choose from the below words
Blastula
Gastrula
Cleavage
Zygote
36.

What is the term for the stage where the embryo has three germ layers?

a)

Diploblast

b)

Triploblast

c)

Morula

d)

Zygote

37.

What stage of embryonic development is shown here?

a)

Zygote

b)

Blastula

c)

Gastrula

d)

Makitupula

38.

Diploblastic means:

a)

having no true tissue.

b)

having two tissue layers.

c)

having three tissue layers.

39.

What is the term used to describe the resulting hollow ball of cells in the early stages of embryonic development?

a)

Zygote

b)

Blastula

c)

Gastrula

d)

Blastocoel

40.

From which germ layer do cardiac muscle cells develop?

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

d)

All of the above

41.

Which germ layer is responsible for the development of lung cells (alveolar cells)?

a)

Mesoderm

b)

Ectoderm

c)

Endoderm

d)

None of the above

42.

What does the endoderm line in the embryonic digestive tract?

a)

The outer layer

b)

The inner layer

c)

The muscular layer

d)

The neural layer

43.

What will the blastopore eventually become?

a)

The heart

b)

The brain

c)

The mouth or the anus

d)

The liver

44.

Which of the following animals are considered protostomes?

a)

Echinoderms and chordates

b)

Flatworms and annelids

c)

Echinoderms and molluscs

d)

Chordates and flatworms

45.

Deuterostomes include which of the following groups of animals?

a)

Flatworms and annelids

b)

Echinoderms and molluscs

c)

Echinoderms and chordates

d)

Annelids and chordates

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